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02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to CESSNA 404

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

  • Jun 12, 2023

    Airworthiness Directives; Various Airplanes, Helicopters, and Engines

    The FAA is adopting a new airworthiness directive (AD) for turbocharged, reciprocating engine-powered airplanes and helicopters and turbocharged, reciprocating engines with a certain v-band coupling installed. This AD was prompted by multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to the turbocharger exhaust housing flange (…

    Federal Register →
  • Jul 27, 2022

    Airworthiness Directives; Various Airplanes, Helicopters, and Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for turbocharged, reciprocating engine-powered airplanes and helicopters and turbocharged, reciprocating engines with a certain v- band coupling installed. This proposed AD was prompted by multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to the turbocharger exhaust…

    Federal Register →
  • Feb 22, 2022

    Airworthiness Directives; Continental Aerospace Technologies, Inc. and Continental Motors Reciprocating Engines

    The FAA is adopting a new airworthiness directive (AD) for certain Continental Aerospace Technologies, Inc. C-125, C145, IO-360, IO-470, IO-550, O-300, O-470, TSIO-360, TSIO-520 series model reciprocating engines and certain Continental Motors IO-520 series model reciprocating engines with a certain oil filter adapter installed. This AD was prompted by repo…

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  • Oct 12, 2021

    Airworthiness Directives; Continental Aerospace Technologies, Inc. and Continental Motors Reciprocating Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Continental Aerospace Technologies, Inc. C-125, C145, IO- 360, IO-470, IO-550, O-300, O-470, TSIO-360, TSIO-520 series model reciprocating engines and certain Continental Motors IO-520 series model reciprocating engines with a certain oil filter adapter installed. This proposed AD was…

    Federal Register →
  • Mar 31, 2017

    Airworthiness Directives; Meggitt (Troy), Inc. Combustion Heaters

    We are superseding Airworthiness Directive (AD) 81-09-09 for certain Meggitt (Troy), Inc. (previously known as Stewart Warner South Wind Corporation and as Stewart Warner South Wind Division) Model Series (to include all the variants) 921, 930, 937, 940, 944, 945, 977, 978, 979, 8240, 8253, 8259, and 8472 combustion heaters. AD 81-09-09 required repetitive…

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  • Nov 3, 2016

    Airworthiness Directives; Meggitt (Troy), Inc. Combustion Heaters

    We are revising a notice of proposed rulemaking (NPRM) for certain Meggitt (Troy), Inc. (previously known as Stewart Warner South Wind Corporation and as Stewart Warner South Wind Division) Model Series (to include all the variants) 921, 930, 937, 940, 944, 945, 977, 978, 979, 8240, 8253, 8259, and 8472 combustion heaters that proposed to supersede airworth…

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  • Aug 20, 2014

    Airworthiness Directives; Meggitt (Troy), Inc. Combustion Heaters

    We propose to supersede Airworthiness Directive (AD) 81-09-09, which applies to certain Meggitt (Troy), Inc. (previously known as Stewart Warner South Wind Corporation and as Stewart Warner South Wind Division) Model Series 8240 (Models 8240-A, 8240-C, 8240E, and 8248), 8253 (Models 8253-A, 8253-B, and 8253-C), 8259 (Models 8259-A, 8259-C, 8259-DL, 8259HL2,…

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  • Jun 12, 2013

    Airworthiness Directives; Piper Aircraft, Inc. Airplanes

    We are superseding an existing airworthiness directive (AD) for all Piper Aircraft, Inc. Models PA-31, PA-31-325, and PA-31-350 airplanes. That AD currently requires a detailed repetitive inspection of the exhaust system downstream of the turbochargers and repair or replacement of parts as necessary. This new AD requires visual repetitive inspections, expan…

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  • Oct 19, 2010

    Airworthiness Directives; Cessna Aircraft Company (Cessna) Models 336, 337, 337A (USAF 02B), 337B, M337B (USAF 02A), T337B, 337C, T337C, 337D, T337D, 337E, T337E, 337F, T337F, 337G, T337G, 337H, P337H, T337H, T337H-SP, F337E, FT337E, F337F, FT337F, F337G, FT337GP, F337H, and FT337HP Airplanes

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD requires inspecting the wings for internal and external damage, repairing any damage found, installing an operational limitation placard in the cockpit, adding limitations to the flight manual supplement, and reporting the results of the inspection to the FAA if damage…

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  • Sep 22, 2009

    Airworthiness Directives; Teledyne Continental Motors O-470, IO-470, TSIO-470, IO-520, TSIO-520, IO-550, and IOF-550 Series Reciprocating Engines

    The FAA is adopting a new airworthiness directive (AD) for Teledyne Continental Motors (TCM) O-470, IO-470, TSIO-470, IO-520, TSIO-520, IO-550, and IOF-550 series reciprocating engines with TCM EQ3 cylinders installed. This AD requires initial and repetitive visual inspections of TCM EQ3 cylinders for cracks. This AD also requires removal of all EQ3 cylinde…

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  • Apr 21, 2008

    Airworthiness Directives; Kelly Aerospace Power Systems Turbochargers

    The FAA is adopting a new airworthiness directive (AD) for certain Kelly Aerospace Power Systems turbochargers. This AD requires a onetime visual inspection of suspect turbochargers for an excessive gap between the turbocharger turbine housing flange and the exhaust tube flange, and replacement of turbochargers that fail the gap inspection. This AD results…

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  • Mar 12, 2007

    Airworthiness Directives; Teledyne Continental Motors GTSIO-520 Series Reciprocating Engines

    The FAA is superseding an existing airworthiness directive (AD) for Teledyne Continental Motors (TCM) GTSIO-520 series reciprocating engines. That AD currently requires initial and repetitive visual inspections of the starter adapter assembly and crankshaft gear and unscheduled visual inspections of the starter adapter assembly and crankshaft gear due to a…

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  • Oct 26, 2006

    Airworthiness Directives; Teledyne Continental Motors GTSIO-520 Series Reciprocating Engines

    The FAA proposes to supersede an existing airworthiness directive (AD) for Teledyne Continental Motors (TCM) GTSIO-520 series reciprocating engines. That AD currently requires initial and repetitive visual inspections of the starter adapter assembly and crankshaft gear and unscheduled visual inspections of the starter adapter assembly and crankshaft gear du…

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  • Oct 12, 2005

    Airworthiness Directives; The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 Airplanes

    The FAA adopts a new airworthiness directive (AD) for certain The Cessna Aircraft Company (Cessna) Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 airplanes equipped with certain avionics bus circuit breaker switches. This AD requires you to inspect the avionics bus circuit breaker switch to dete…

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  • Sep 27, 2005

    Airworthiness Directives; Teledyne Continental Motors GTSIO-520 Series Reciprocating Engines

    The FAA is adopting a new airworthiness directive (AD) for Teledyne Continental Motors (TCM) GTSIO-520 series reciprocating engines. This AD requires initial and repetitive visual inspections of the starter adapter assembly and crankshaft gear. This AD also requires unscheduled visual inspections of the starter adapter assembly and crankshaft gear due to a…

    Federal Register →
  • Jun 9, 2005

    Airworthiness Directives; The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for certain The Cessna Aircraft Company (Cessna) Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 airplanes equipped with certain avionics bus circuit breaker switches. This proposed AD would require you to inspect the avionics bus circu…

    Federal Register →
  • Apr 6, 2005

    Airworthiness Directives; Teledyne Continental Motors GTSIO-520 Series Reciprocating Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for Teledyne Continental Motors (TCM) GTSIO-520 series reciprocating engines. This proposed AD would require initial and repetitive visual inspections of the starter adapter assembly and crankshaft gear. This proposed AD would also require unscheduled visual inspections of the starter adapter asse…

    Federal Register →
  • Jan 19, 2005

    Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

    The FAA is adopting a new airworthiness directive (AD) to supersede Airworthiness Directive 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD applies to certain GTX 33, GTX 33D, GTX 3…

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  • Oct 7, 2004

    Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

    The FAA proposes to supersede Airworthiness Directive (AD) 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This proposed AD applies to certain GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S…

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  • May 21, 2004

    Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders

    The FAA adopts a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders that are installed on aircraft. This AD requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD is the result of observations that the GTX 330 and GTX 330D may detect, from other aircraft, the S1 (su…

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  • Apr 20, 2004

    Airworthiness Directives; Engine Components Incorporated (ECi) Reciprocating Engine Cylinders

    The FAA is adopting a new airworthiness directive (AD) for Teledyne Continental Motors (TCM) models 520 and 550 series engines with certain ECi cylinders installed. This AD requires replacing certain serial-numbered (SN) cylinders supplied by ECi before further flight. This AD results from reports of 34 failures of cylinder heads marketed by ECi. We are iss…

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  • Dec 30, 2003

    Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders

    The FAA proposes to adopt a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders. This proposed AD would require you to install GTX 330/ 330D Software Upgrade Version 3.03. This proposed AD is the result of observations that the GTX 330 and GTX 330D may detect, from other aircraft, the S1 (suppression)…

    Federal Register →
  • Oct 16, 2002

    Airworthiness Directives; Rockwell Collins, Inc. AFD-3010 Adaptive Flight Display Units

    This amendment adopts a new airworthiness directive (AD) that applies to certain Rockwell Collins, Inc. (Rockwell Collins) AFD-3010 adaptive flight display units that are installed on aircraft. This AD requires you to inspect the AFD-3010 unit to determine if it contains an MFP386 Application Specific Integrated Circuit (ASIC) device with a date code of 012…

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  • Dec 3, 2001

    Airworthiness Directives; GARMIN International GNS 430 Units

    This amendment adopts a new airworthiness directive (AD) that applies to certain GARMIN International (GARMIN) GNS 430 units that are installed on aircraft. This AD requires you to modify the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs. This AD is the result of reports of inaccurate course deviations caused by exte…

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  • Aug 6, 2001

    Airworthiness Directives; GARMIN International GNS 430 Units

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain GARMIN International (GARMIN) GNS 430 units that are installed on aircraft. The proposed AD would require you to modify the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs. The proposed AD is the result of reports of inaccura…

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  • Jan 19, 2000

    Airworthiness Directives; Cessna Aircraft Company 300 and 400 Series Airplanes

    This amendment supersedes Airworthiness Directive (AD) 75-23- 08 R5, which currently requires repetitively inspecting and replacing or repairing the exhaust system on certain Cessna Aircraft Company (Cessna) 300 and 400 series airplanes. The requirements of this AD replace the inspections and replacements that are required by AD 75-23- 08 R5 with inspection…

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  • Jul 6, 1999

    Airworthiness Directives; Cessna Aircraft Company 300 and 400 Series Airplanes

    This document proposes to supersede Airworthiness Directive (AD) 75-23-08 R5, which currently requires repetitively inspecting and replacing or repairing the exhaust system on certain Cessna Aircraft Company (Cessna) 300 and 400 series airplanes. The proposed AD would replace the inspections and replacements that are required by AD 75-23- 08 R5 with inspect…

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  • Oct 9, 1998

    Airworthiness Directives; Twin Commander Aircraft Corporation Model 680FL Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to Twin Commander Aircraft Corporation (Twin Commander) Model 680FL airplanes. The proposed AD would require revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cu…

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  • Sep 28, 1998

    Airworthiness Directives; Twin Commander Aircraft Corporation Models 500, 500-A, 500-B, 500-S, 500-U, 520, 560, 560-A, 560-E, 560-F, 680, 680-E, 680FL(P), 680T, 680V, 680W, 681, 685, 690, 690A, 690B, 690C, 690D, 695, 695A, 695B, and 720 Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to Twin Commander Aircraft Corporation Models 500, 500-A, 500- B, 500-S, 500-U, 520, 560, 560-A, 560-E, 560-F, 680, 680-E, 680FL(P), 680T, 680V, 680W, 681, 685, 690, 690A, 690B, 690C, 690D, 695, 695A, 695B, and 720 airplanes. This action requires revising the FAA-approved Airplane Flight…

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  • Sep 24, 1998

    Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 airplanes. This AD requires revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various fl…

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  • Jun 8, 1998

    Airworthiness Directives; Raytheon Aircraft Company 200 Series Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to Raytheon Aircraft Company (Raytheon) 200 series airplanes. The proposed AD would require revising the FAA- approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or pr…

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  • Jun 8, 1998

    Airworthiness Directives; Cessna Aircraft Company Model T210R Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to Cessna Aircraft Company (Cessna) Model T210R airplanes. The proposed AD would require revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohib…

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  • Mar 4, 1998

    Airworthiness Directives; SIAI Marchetti, S.r.1 Models SF600 and SF600A Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to SIAI Marchetti, S.r.1 Models SF600 and SF600A airplanes. This action requires revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various…

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  • Mar 4, 1998

    Airworthiness Directives; Cessna Aircraft Company Models T210N, P210N, and P210R Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to Cessna Aircraft Company Models T210N, P210N, and P210R airplanes. This action requires revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of…

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  • Feb 18, 1998

    Airworthiness Directives; McDonnell Douglas Model DC-3 and DC-4 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to all McDonnell Douglas Model DC-3 and DC-4 series airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various flight control dev…

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  • Feb 18, 1998

    Airworthiness Directives; Gulfstream Model G-159 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to all Gulfstream Model G-159 series airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various flight control devices while in s…

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  • Feb 18, 1998

    Airworthiness Directives; Sabreliner Model 40, 60, 70, and 80 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Sabreliner Model 40, 60, 70, and 80 series airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various flight control d…

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  • Feb 18, 1998

    Airworthiness Directives; Cessna Model 500, 501, 550, 551, and 560 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Cessna Model 500, 501, 550, 551, and 560 series airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various flight cont…

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  • Feb 18, 1998

    Airworthiness Directives; Fairchild Model F27 and FH227 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to all Fairchild Model F27 and FH227 series airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various flight control devices whi…

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  • Feb 18, 1998

    Airworthiness Directives; Lockheed Model L-14 and L-18 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to all Lockheed Model L-14 and L-18 Series Airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various flight control devices whil…

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  • Feb 18, 1998

    Airworthiness Directives; Gulfstream American (Frakes Aviation) Model G-73 (Mallard) and G-73T Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to all Gulfstream American (Frakes Aviation) Model G-73 (Mallard) and G-73T series airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the us…

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  • Feb 18, 1998

    Airworthiness Directives; Mitsubishi Model YS-11 and YS-11A Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to all Mitsubishi Model YS-11 and YS-11A series airplanes, that requires revising the Airplane Flight Manual (AFM) to specify procedures that will prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various flight control devices…

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  • Feb 17, 1998

    Airworthiness Directives; SOCATAGroupe AEROSPATIALE, Model TBM 700 Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to SOCATA--Groupe AEROSPATIALE, Model TBM 700 airplanes. This action requires revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohibit the use of various fli…

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  • Feb 17, 1998

    Airworthiness Directives; The New Piper Aircraft Corporation Models PA-46-310P and PA-46-350P Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to The New Piper Aircraft Corporation Models PA-46-310P and PA- 46-350P airplanes. This action requires revising the FAA-approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or prohi…

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  • Feb 17, 1998

    Airworthiness Directives; Raytheon Aircraft Company Models E55, E55A, 58, 58A, 58P, 58PA, 58TC, 58TCA Airplanes, and 60, 65-B80, 65- B90, 90, F90, 100, 300, and B300 Series Airplanes

    This amendment adopts a new airworthiness directive (AD) that applies to Raytheon Aircraft Company Models E55, E55A, 58, 58A, 58P, 58PA, 58TC, 58TCA airplanes, and 60, 65-B80, 65-B90, 90, F90, 100, 300, and B300 series airplanes. This action requires revising the FAA- approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in…

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04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Sources & Methodology

Every fact on this page links to its primary US-government source

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.