Type Record · As of May 3, 2026
BOEING 737-300
Fixed Wing Multi Engine · CFM INTL CFM56-3B-1
Registered
5
Year Range
1986–1987
NTSB Events
2
Airworthiness Directives
49
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered BOEING 737-300 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- MI 40.0% 2
- DE 40.0% 2
- FL 20.0% 1
By Decade of Manufacture
- 1980s 60.0% 3
- Unknown 40.0% 2
02 / NTSB Records
Events involving BOEING 737-300 aircraft
2 event(s) on file. Showing the most recent 2.
-
Jul 3, 2018
N331CKNassau
NTSB Docket → -
Apr 24, 2010
N444HERiyadh
NTSB Docket →
02c / Academic Research
Scholarly work mentioning BOEING 737-300
Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.
- NASA NTRS 2019 · Abstract
Differences Training for the Glass Cockpit
This study followed two groups of pilots from a major US air carrier as they went through a transition to advanced technology aircraft.
- NASA NTRS 2019 · Conference Paper
Experimental water droplet impingement data on modern aircraft surfaces
An experimental method has been developed to determine the water droplet impingement characteristics on two- and three-dimensional aircraft surfaces.
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to BOEING 737-300
49 directive(s) on file. Showing the most recent 25 · 24 more in the Federal Register.
-
Feb 10, 2025
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by a report indicating cracks in the frame inner chord and web at station (STA) 727. This AD requires an inspection for any repair installed, repetit…
-
Dec 2, 2024
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-300 and -400 series airplanes. This AD was prompted by a report that flight control rigging tolerances could result in spoiler deflection not reaching the minimal level required to engage the cruise thrust split monitor (MO…
-
Oct 11, 2024
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-300, -400, and -800 series airplanes. This AD was prompted by a report that the protective spiral wrap used on certain galley wire bundles does not have the correct flammability properties. This AD requires inspecting certa…
-
Jul 29, 2024
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737-300 and -400 series airplanes. This proposed AD was prompted by a report that flight control rigging tolerances could result in spoiler deflection not reaching the minimal level required to engage the cruise thrust sp…
-
Jun 24, 2024
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737-300, -400, and -800 series airplanes. This proposed AD was prompted by a report that the protective spiral wrap used on certain galley wire bundles does not have the correct flammability properties. This proposed AD w…
-
Jul 31, 2023
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, 737-200, 737-200C, 737-300, 737-400, 737-500, 737-600, 737-700, 737-700C, 737-800, 737-900, 737-900ER, 757- 200, 757-200PF, 757-200CB, 757-300, 767-200, 767-300, 767-300F, and 767-400ER series airplanes. This AD was prompt…
-
Jul 24, 2023
Airworthiness Directives; The Boeing Company Model Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 757-200, -200CB, and -200PF series airplanes. This proposed AD was prompted by a crack growth analysis, which indicated that current inspections are not adequate to detect cracks in certain sections of the upper frame at…
-
Jan 12, 2023
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 707 and Model 727 airplanes. This AD was prompted by a report indicating cracking in fastener holes at the center wing box and at certain positions of the rear spar and lower skin on a Model 737-300 airplane. A cross model review d…
-
Dec 22, 2022
Airworthiness Directives; The Boeing Company Airplanes
The FAA is superseding Airworthiness Directive (AD) 2021-14- 20, which applied to all The Boeing Company Model 737 airplanes. AD 2021-14-20 required repetitive functional tests of the cabin altitude pressure switches, and on-condition actions, including replacement, if necessary. AD 2021-14-20 also required reporting…
-
Dec 9, 2022
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, 737-200, 737-200C, 737-300, 737-400, 737-500, 737-600, 737-700, 737-700C, 737-800, 737-900, 737- 900ER, 757-200, 757-200PF, 757-200CB, 757-300, 767-200, 767-300, 767- 300F, and 767-400ER series airplanes. This propos…
-
Nov 2, 2022
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 757 airplanes. This AD was prompted by a report of cracks found in the fastener holes at a certain location in the center wing box rear spar, lower skin. This AD requires repetitive inspections for cracking of certain areas of the…
-
Oct 26, 2022
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-300, -400, and -500 series airplanes. This AD was prompted by a report that a spoiler sensor failure may go undetected by the autothrottle (A/T) computer. This AD requires repetitive built-in test equipment (BITE) tests of…
-
Sep 15, 2022
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 707 and Model 727 airplanes. This proposed AD was prompted by a report indicating cracking in fastener holes at the center wing box and at certain positions of the rear spar and lower skin on a Model 737-300 airplane. A cross…
-
Apr 11, 2022
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 757 airplanes. This proposed AD was prompted by a report of cracks found in the fastener holes at a certain location on the center wing box rear spar, lower skin. This proposed AD would require repetitive inspections for crac…
-
Jan 18, 2022
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-300, -400, and -500 series airplanes. This AD was prompted by an evaluation by the design approval holder (DAH) indicating that the frame splice between certain stringers is subject to widespread fatigue damage (WFD). This…
-
Nov 24, 2021
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 757-200, -200PF, -200CB, and -300 series airplanes. This AD was prompted by crack indications found in the lower aft wing skin bolt holes where the flap tracks attach to the track support fitting; this finding was on a Model 737-30…
-
Aug 24, 2021
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737-300, -400, and -500 series airplanes. This proposed AD was prompted by an evaluation by the design approval holder (DAH) indicating that the frame splice between certain stringers is subject to widespread fatigue dama…
-
May 18, 2021
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-300, -400, and -500 series airplanes. This AD was prompted by a flap synchro wire failure that may go undetected by the autothrottle (A/T) computer. This AD requires repetitive BITE (built-in test equipment) tests of the A/T co…
-
Apr 9, 2021
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 757-200, -200PF, -200CB, and -300 series airplanes. This proposed AD was prompted by crack indications found in the lower aft wing skin bolt holes where the flap tracks attach to the track support fitting. This proposed AD wo…
-
Feb 24, 2021
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD was prompted by a report indicating that a crack was found on the splice angle flange that is attached to the station (STA) 540 bulkhead in the are…
-
Nov 20, 2020
Airworthiness Directives; The Boeing Company Airplanes
The FAA is superseding Airworthiness Directive (AD) 2018-23- 51, which applied to all The Boeing Company Model 737-8 and 737-9 (737 MAX) airplanes. AD 2018-23-51 required revising certificate limitations and operating procedures of the Airplane Flight Manual (AFM) to provide the flightcrew with runaway horizontal stab…
-
Aug 25, 2020
Airworthiness Directives; The Boeing Company Airplanes
The FAA is superseding Airworthiness Directive (AD) 2019-03- 06, which applied to certain The Boeing Company Model 737-300, -400, and -500 series airplanes. AD 2019-03-06 required installing lanyard assemblies on the passenger service units (PSUs) and, for certain airplanes, on the life vest panels. This AD was prompt…
-
Aug 11, 2020
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-300, -400, -500, -600, -700, -700C, -800, -900, and -900ER series airplanes. An emergency AD was sent to all known U.S. owners and operators of these airplanes. This AD requires inspections of the engine bleed air 5th stage che…
-
Jul 28, 2020
Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD was prompted by crack indications found in the lower aft wing skin bolt holes where the flap tracks attach to the track support fitting. This propo…
-
Jul 23, 2020
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-300, -400, and -500 series airplanes. This AD was prompted by a report that a crack indication consistent with fatigue cracking was found on the left nacelle support overwing fitting flange fastener hole during teardown of a Mo…
04 / Type Certificate Data Sheets
FAA TCDS for BOEING 737-300
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- A16WE Historical Rev 60 · 12/13/2017
The Boeing Company
Models: 737-700C Series, 737-500 Series, 737-900ER Series, 737-300 Series + 11 more
06 / Supplemental Type Certificates
Modifications approved for BOEING 737-300
1,517 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
03/06/2026
STC SA2622NM
Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)
Precise Flight Inc.
-
03/02/2026
STC ST01796WI
Installation of an AV201 series Portable Oxygen Unit
B/E Aerospace Inc.
-
01/28/2026
STC ST04758NY
Installation of single cockpit USB charger
Eirtech Aviation Services Inc.
-
01/26/2026
STC ST00885LA
Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles.
AMETEK AMERON, LLC d/b/a MASS Systems
-
01/16/2026
STC ST04758NY
Installation of single cockpit USB charger
Eirtech Aviation Services Inc.
-
01/09/2026
STC ST03218CH
Modify aircraft interior to match standard passenger cofigurations, IAW Global Onboard Partners MDL # 252013-737-MDL-02, Rev. N, dtd 1/4/22 or later FAA approved revisions.
Atin OOH LLC
-
12/24/2025
STC ST04752NY
Replacement of Dual Analog Radio Altimeter Transceivers with Dual 5G Tolerant Collins Aerospace or Honeywell Digital Radio Altimeters Transceivers and Dual Shadin Digital-to-Analog…
LB Aircraft Engineering
-
11/14/2025
STC ST03129AT
Installation of ELTA ADT406AF Emergency Locator Transmitter (ELT) with ARTEX 110-340 Antenna
ARC145 LLC
-
11/03/2025
STC ST00030IB
Installation of Test Tech ELT
APTOZ EHF
-
10/20/2025
STC ST09191AC
Installation of DeVore wing fwd position light assembly. (737 ALL)
The Boeing Company
-
10/20/2025
STC SA2542WE
Installation of wing-tip mounted logo lights.
The Boeing Company
-
09/26/2025
STC ST03885AT
Installation of an Avionica, Inc. avCM Cellular Module
Aircraft Systems and Manufacturing Inc.
-
08/06/2025
STC ST03438NY
Installation of Adams Rite Lavatory Equipment
Delta Engineering Corporation
-
07/18/2025
STC ST00657SE
Installation of ATIX2 Interior retrofit kit
Safran Cabin Inc.
-
07/18/2025
STC SA5532NM
Installation of stowage unit.
Safran Cabin Inc.
-
07/18/2025
STC SA4851NM
Installation of Header and Class Divider.
Safran Cabin Inc.
-
07/18/2025
STC SA4188NM-D
Installation of one (1) windscreen assembly.
Safran Cabin Inc.
-
07/18/2025
STC SA4186NM-D
Installation of one (1) G2 Galley and one (1) G7 Galley.
Safran Cabin Inc.
-
07/18/2025
STC ST00683LA
Installation of a FWD R/H Coat Closet.
Safran Cabin Inc.
-
07/18/2025
STC SA1971NM
Installation of coat closet/class divider/closet units.
Safran Cabin Inc.
-
07/18/2025
STC ST02221NY-D
Replacement of Cabin Interior. 737-332 only
Safran Cabin Inc.
-
07/18/2025
STC ST00870SE
Installation of galley support structure and jumper wire provisions.
Safran Cabin Inc.
-
07/18/2025
STC ST00488LA
Installation of stowage bin door kit. (737-300 SERIES and models listed on C&D Interiors Index List 914-737))
Safran Cabin Inc.
-
07/18/2025
STC ST01565SE
Modification to overhead stowage bins located in the passenger cabin in order to extend the stowbins
C & D Zodiac Inc.
-
07/18/2025
STC SA5534NM
Installation of galley modification kits
Safran Cabin Inc.
-
07/18/2025
STC SA3998NM
Installation of Driessen Cart Stowage Unit, P/N 101061-1.
Safran Cabin Inc.
-
07/18/2025
STC ST00507LA
Installation of Galley G2 and Modification
Safran Cabin Inc.
-
07/18/2025
STC ST00350LA
Installation of windscreen.
Safran Cabin Inc.
-
07/18/2025
STC ST00636SE
Installation of ATIX Interior retrofit kit
Safran Cabin Inc.
-
07/18/2025
STC SA5000NM
Installation of Driessen galleys
Safran Cabin Inc.
+ 1,487 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for BOEING 737-300
60+ parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
-
69-38710-2#https://drs.faa.gov/browse/excelExternalWindow/C732D3A74E801549862577C000557BCE.0001##
BOLT
Magellan Aerospace New York Inc (Surrendered) replaces Boeing (69-38710-2)
PMA holder → -
50-11045-04#https://drs.faa.gov/browse/excelExternalWindow/F652901B136F0D038625848900421AD8.0001##
webFB
Ballard Technology replaces 50-11045-04
PMA holder → -
50-11045-05#https://drs.faa.gov/browse/excelExternalWindow/B97BF3C7367386958625848900421AEE.0001##
webFB
Ballard Technology replaces 50-11045-05
PMA holder → -
3161011-3EH#https://drs.faa.gov/browse/excelExternalWindow/78232EF211BFCAEF862584480050C09A.0001##
Pin
Seginus Inc replaces Honeywell 3161011-3
PMA holder → -
3177635-2EH#https://drs.faa.gov/browse/excelExternalWindow/4D5064C55AAF43F3862584480050C092.0001##
Adapter Assembly
Seginus Inc replaces Honeywell 3177635-2
PMA holder → -
102-00099#https://drs.faa.gov/browse/excelExternalWindow/59F168E4FA3A36EA8625834B005E7BC3.0001##
Sensor, Fuel Temp Resistance Bulb, Fuel
Norwich Aero Products, Inc. replaces 10-62247-1
PMA holder → -
4088334-1 ADSTC#https://drs.faa.gov/browse/excelExternalWindow/28CE4EFB76CA602086257964006E75B0.0001##
Display Circuit Card Assembly
ADS/Transcoil replaces 4088334-1
PMA holder → -
65-51586-48#https://drs.faa.gov/browse/excelExternalWindow/E9659366A50B7A2E8625785E00610388.0001##
INSULATION BLANKET
AmSafe Bridport replaces (65-51586-48)
PMA holder → -
50-11045-01#https://drs.faa.gov/browse/excelExternalWindow/CFF23DB44EABD04886258295006CFC15.0001##
webFB
Ballard Technology replaces 50-11045-01
PMA holder → -
50-11045-02#https://drs.faa.gov/browse/excelExternalWindow/3E09C2D6ED9F8D9B86258295006CFC16.0001##
webFB
Ballard Technology replaces 50-11045-02
PMA holder → -
63001090JP-1#https://drs.faa.gov/browse/excelExternalWindow/2F66781FA4A0449B86258227007780F3.0001##
Ring Set
Jet Parts Engineering Inc replaces 63001090-1
PMA holder → -
63001090-1WE#https://drs.faa.gov/browse/excelExternalWindow/77BF1CF5052CBD7F8625814800716FE4.0001##
Ring Set, Piston
Wencor LLC replaces 63001090-1
PMA holder → -
3177852JP-1#https://drs.faa.gov/browse/excelExternalWindow/2D669DA70A1955458625811C0074AF8F.0001##
Valve Guide Housing
Jet Parts Engineering Inc replaces 3177852-1
PMA holder → -
63002251JP-1#https://drs.faa.gov/browse/excelExternalWindow/5303050C679784FF8625811C0074AF33.0001##
Matched Poppet and Housing Set
Jet Parts Engineering Inc replaces 63002251-1
PMA holder → -
858891JP-30#https://drs.faa.gov/browse/excelExternalWindow/19DD5EB455262D2A8625811C0074AED4.0001##
Actuating Rod
Jet Parts Engineering Inc replaces 858891-30
PMA holder → -
65C33038-4#https://drs.faa.gov/browse/excelExternalWindow/F68D932F596F5DF786257D0F0046D71A.0001##
DRIP PAN ASSY
Aerotech Engineering Inc replaces 65C33038-4
PMA holder → -
65C27735-4#https://drs.faa.gov/browse/excelExternalWindow/B98D30758CB5605186257A2900541407.0001##
BUMPER PAD ASSY
Aerotech Engineering Inc replaces 65C27735-4
PMA holder → -
69-73730-4#https://drs.faa.gov/browse/excelExternalWindow/5D2A5B108E6BC3D786257A290054146A.0001##
WASHER-LAMINATED
Aerotech Engineering Inc replaces 69-73730-4
PMA holder → -
251A3432-1#https://drs.faa.gov/browse/excelExternalWindow/604A5A0C2D8E490586257848007317E3.0001##
BOLT
Aerotech Engineering Inc replaces 251A3432-1
PMA holder → -
65C27731-1#https://drs.faa.gov/browse/excelExternalWindow/CA29EA58166C531586257848005B4C30.0001##
BOLT, ALIGN ADJ
Aerotech Engineering Inc replaces 65C27731-1
PMA holder → -
69-52580-6#https://drs.faa.gov/browse/excelExternalWindow/409940E7BC6E8EB88625782300505995.0001##
Washer - Seal, Windshield, No. 1
Aerotech Engineering Inc replaces 69-52580-6
PMA holder → -
APM69-41730-66#https://drs.faa.gov/browse/excelExternalWindow/F09B9A24F343603A86257D55006B0694.0001##
Cable Assembly
Aero Parts Mart Inc replaces 69-41730-66
PMA holder → -
1375824-0505#https://drs.faa.gov/browse/excelExternalWindow/C4EE6B6E00D9CABB8625806B007124C2.0001##
CABLE ASSEMBLY, USB, DCPS J3 TO 2 USB OUTLETS, SHIELDED
Astronics, Advanced Electronic Systems replaces 1375824-0505
PMA holder → -
3176987-1WE#https://drs.faa.gov/browse/excelExternalWindow/334985D58621B9B486258028005AC67E.0001##
Guide Ring Set
Wencor LLC replaces 3176987-1
PMA holder → -
4101054#https://drs.faa.gov/browse/excelExternalWindow/546A2082913D80B086257FFE00562BD6.0001##
FAN OUTLINE
Hamilton Sundstrand Corporation of Puerto Rico replaces S210N701-38
PMA holder → -
3176985-1WE#https://drs.faa.gov/browse/excelExternalWindow/35FF2525EC725A5886257FE700737A56.0001##
Ring Set Piston
Wencor LLC replaces 3176985-1
PMA holder → -
1327-1-5#https://drs.faa.gov/browse/excelExternalWindow/B13B44110EE3D41586257FB100722696.0001##
USB OUTLET UNIT, SINGLE
Astronics, Advanced Electronic Systems replaces 1327-1-5
PMA holder → -
1375-2#https://drs.faa.gov/browse/excelExternalWindow/7EF0A6993018D57D86257FB100722698.0001##
DIRECT CURRENT POWER SUPPLY (DCPS)
Astronics, Advanced Electronic Systems replaces 1375-2
PMA holder → -
KT3176987-1#https://drs.faa.gov/browse/excelExternalWindow/F6BC046AA1467DEC86257808004EE7B9.0001##
Guide - Ring Set
Turbine Kinetics Inc, A HEICO Aerospace Company replaces 3176987-1
PMA holder → -
65-51586-48#https://drs.faa.gov/browse/excelExternalWindow/8FAF5B5F34F1F85C86257F880050B728.0001##
INSULATION BLANKET
AmSafe Bridport replaces (65-51586-48)
PMA holder → -
40680-48FA#https://drs.faa.gov/browse/excelExternalWindow/D956C12510F9E46286257EBD0079A816.0001##
Switch Assembly
Jet Parts Engineering. Inc. (JPE) (CANCELLED) replaces 40680-48
PMA holder → -
2748045-1FA#https://drs.faa.gov/browse/excelExternalWindow/3361A6A18CC913C986257EBD0079A875.0001##
Switch
Jet Parts Engineering. Inc. (JPE) (CANCELLED) replaces 2748045-1
PMA holder → -
40680-47FA#https://drs.faa.gov/browse/excelExternalWindow/079D93E4B8DC83AC86257EBD0079A7B8.0001##
Switch Assembly
Jet Parts Engineering. Inc. (JPE) (CANCELLED) replaces 40680-47
PMA holder → -
5750140FA#https://drs.faa.gov/browse/excelExternalWindow/69C45A14E6BDF88D86257EBD0079A758.0001##
Switch Assembly
Jet Parts Engineering. Inc. (JPE) (CANCELLED) replaces 5750140
PMA holder → -
40680-47FA#https://drs.faa.gov/browse/excelExternalWindow/F2C64D073F7D0F9A86257CEB004F94A9.0001##
Switch Assembly
Jet Parts Engineering. Inc. (JPE) (CANCELLED) replaces 40680-47
PMA holder → -
40680-48FA#https://drs.faa.gov/browse/excelExternalWindow/F595A0FDD482091086257CEB004F94AA.0001##
Switch Assembly
Jet Parts Engineering. Inc. (JPE) (CANCELLED) replaces 40680-48
PMA holder → -
2748045-1FA#https://drs.faa.gov/browse/excelExternalWindow/6877611C32359E3286257CEB004F94AC.0001##
Switch
Jet Parts Engineering. Inc. (JPE) (CANCELLED) replaces 2748045-1
PMA holder → -
5750140FA#https://drs.faa.gov/browse/excelExternalWindow/1A4846F8C1A2320986257CEB004F94A8.0001##
Switch Assembly
Jet Parts Engineering. Inc. (JPE) (CANCELLED) replaces 5750140
PMA holder → -
880500-32FA#https://drs.faa.gov/browse/excelExternalWindow/66210366735333C186257E460063668E.0001##
Seal, Shaft
Falcon Aero Manufacturing replaces Honeywell 880500-32
PMA holder → -
3289562-6#https://drs.faa.gov/browse/excelExternalWindow/A28AC0E426AD4BBC862576FD00675DAC.0001##
Precooler Control Valve
Honeywell International Inc. Honeywell Aerospace replaces 10-62008-44
PMA holder →
+ 20 more PMA parts on file
08 / Special Conditions
Type-specific airworthiness rules for BOEING 737-300
2 Special Conditions on file. Issued under 14 CFR 21.16 when this type's design features fall outside the applicable airworthiness regulations and require a tailored standard.
-
25-774-SC
10/22/2020 →Special Conditions: Archeion Holdings, LLC, Boeing Model No. 737- 300, -400, \n-700, -800, -8, and -9 Series Airplanes; Electronic-System Security Protection \nFrom Unauthorized Internal Access
Part 25
-
25-775-SC
10/22/2020 →Special Conditions: Archeion Holdings, LLC, Boeing Model No. 737- 300, -400, \n-700, -800, -8, and -9 Series Airplanes; Electronic-System Security Protection \nFrom Unauthorized External Access
Part 25
09 / Equivalent Level of Safety findings
ELOS findings issued for BOEING 737-300
11 ELOS findings on file. The FAA issues an ELOS when an applicant proposes an alternative means that achieves the same safety outcome as a literal regulation — a standing record of which certification deviations the agency has approved for this model series.
-
ODA-ADC-0170-SE-1
12/10/2024 →Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for Effects on Pilot Compartment View
§ 25.773
-
ODA-GED-P171-F-1
10/04/2018 →Vibration/Buffeting Compliance Criteria, Belly Tank Doors for Firefighting Tanks
§ 25.251
-
ST08623NY-T-F-1
09/25/2017 →INFORMATION: Equivalent Level of Safety (ELOS) Finding for Vibration/Buffeting Compliance Criteria, Jetwave KA Band Antenna on a Boeing 767-300 Aircraft, FAA Project # ST08623NY-T
§ 25.251
-
PS05-0177-P-2
05/19/2014 →INFORMATION: Equivalent Level of Safety Finding for the Fuel Tank Flammability Rule (FTFR) on Boeing Company Models 737 Classic, 737NG, 747-400, 747-8, 757, 767, 777 and 787-8/-9 (Project Nos. PS05- 0177, PS06-0496 and PS06-0497)
§ 25.981
-
ST13518AT-T-S-1
02/15/2012 →Finding for Cabin Pressurization for High Altitude Takeoff and Landing Operations for ARC Avionics Corp. Supplemental Type Certificate (STC) for 737-300/-500 Aircraft
§ 25.841
-
SA6508SE-T-S-1
03/03/2011 →Boeing Model 737-300 Airplane with Aviation Partners Boeing (APB) Winglets for Use of Analysis to Demonstrate Safe Flight in Icing Conditions
§ 21.21, 25.1419
-
SA6508SE-T-S-3
12/06/2010 →Aviation Partners Boeing Winglet-Equipped Model 737-300 Airplane for Position Light Overlapping Intensities
§ 25.1389, 25.1395
-
SA6508SE-T-S-2
05/03/2007 →Position Light System
§ 25.1389
-
ST8302SE-T-ES-2
02/24/2005 →Inadvertent Smoke Detection
§ 25.855
-
SA6508SE-T-A-1
02/13/2003 →Winglet Modification
§ 25.303
-
SA6508SE-T-F-1
07/11/2002 →Stall Speeds
§ 25.103, 25.207
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for BOEING 737-300
Advisory Circulars
ACs whose subject explicitly mentions BOEING or 737-300.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 5 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →