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02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to CESSNA 551

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

  • Nov 17, 2025

    Airworthiness Directives; Textron Aviation Inc. (Type Certificate Previously Held by Cessna Aircraft Company) Airplanes

    The FAA is adopting a new airworthiness directive (AD) for certain Textron Aviation Inc. Model 182Q and 182R airplanes. This AD was prompted by reports of damaged intercooler inlet and outlet hoses. This AD requires repetitive visual inspections of the intercooler inlet and outlet hoses for cracks and, at a certain compliance time or if any cracks are found…

    Federal Register →
  • Oct 2, 2025

    Airworthiness Directives; Textron Aviation Inc. Airplanes

    The FAA is adopting a new airworthiness directive (AD) for certain Textron Aviation Inc. (Textron) Model B200GT, B200CGT, B300, and B300C airplanes. This AD was prompted by a report of rudder control pushrod failure during a production ground run, caused by sheared rivets off of a rudder control pushrod. This AD requires a visual inspection of the attaching…

    Federal Register →
  • Dec 17, 2020

    Airworthiness Directives; Textron Aviation Inc. (Type Certificate Previously Held by Cessna Aircraft Company) Airplanes

    The FAA is adopting a new airworthiness directive (AD) for certain Textron Aviation Inc. (type certificate previously held by Cessna Aircraft Company) Model 560XL airplanes. This AD was prompted by an incident where a Model 560XL airplane experienced an uncommanded engine acceleration with the left engine throttle unresponsive to power commands, including e…

    Federal Register →
  • Dec 14, 2020

    Airworthiness Directives; Technify Motors GmbH (Type Certificate Previously Held by Thielert Aircraft Engines GmbH) Reciprocating Engines

    The FAA is adopting a new airworthiness directive (AD) for certain Technify Motors GmbH TAE 125-02-99 and TAE 125-02-114 model reciprocating engines. This AD was prompted by a report of a defective turbocharger hose discovered on an airplane during a pre-flight inspection. This AD requires the removal and replacement of the affected turbocharger hose. The F…

    Federal Register →
  • Nov 2, 2020

    Airworthiness Directives; Textron Aviation Inc. Airplanes

    The FAA is adopting a new airworthiness directive (AD) for all Textron Aviation Inc. (Textron) Models 180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K, 182, 182A, 182B, 182C, 182D, 185, 185A, 185B, 185C, 185D, 185E, A185E, and A185F airplanes. This AD was prompted by a report of cracks found in the tailcone and horizontal stabilizer attachmen…

    Federal Register →
  • Aug 17, 2020

    Airworthiness Directives; Aspen Avionics, Inc.

    The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. The AD applies to certain Aspen Avionics, Inc., Evolution Flight Display (EFD) EFD1000 Emergency Backup Display, EFD1000 Multi-Function Display, and EFD1000 Primary Flight Display systems installed on various airplanes. As published, the docket number and product i…

    Federal Register →
  • May 14, 2020

    Airworthiness Directives; Textron Aviation Inc. Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for all Textron Aviation Inc. (Textron) Models 180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K, 182, 182A, 182B, 182C, 182D, 185, 185A, 185B, 185C, 185D, 185E, A185E, and A185F airplanes. This proposed AD was prompted by a report of cracks found in the tailcone and horizontal stabi…

    Federal Register →
  • Aug 25, 2015

    Airworthiness Directives; Cessna Aircraft Company Airplanes

    We are adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company Model 500, 501, 550, 551, S550, 560, and 650 airplanes. This AD was prompted by reports of smoke and/or fire in the tailcone caused by sparking due to excessive wear of the brushes in the air conditioning (A/C) motor. This AD requires inspections to determine if certain A…

    Federal Register →
  • Jan 23, 2015

    Airworthiness Directives; Cessna Aircraft Company Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain Cessna Aircraft Company Model 500, 501, 550, 551, S550, 560, and 650 airplanes. This proposed AD was prompted by reports of smoke and/or fire in the tailcone caused by sparking due to excessive wear of the brushes in the air conditioning (A/C) motor. This proposed AD would require inspection…

    Federal Register →
  • May 30, 2013

    Airworthiness Directives; Cessna Aircraft Company Airplanes

    We are adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company Model 500, 501, 550, 551, S550, 560, 560XL, and 650 airplanes. This AD was prompted by multiple reports of smoke and/or fire in the tailcone caused by sparking due to excessive wear of the brushes in the air conditioning (A/C) motor. This AD requires inspecting to determi…

    Federal Register →
  • Feb 11, 2013

    Airworthiness Directives; Cessna Aircraft Company Airplanes

    We are revising an earlier proposed airworthiness directive (AD) for certain Cessna Aircraft Company Model 500, 501, 550, 551, S550, 560, 560XL, and 650 airplanes. That NPRM proposed to require an inspection to determine if certain air conditioning (A/C) compressor motors are installed and to determine the accumulated hours on certain A/C drive motor assemb…

    Federal Register →
  • Sep 26, 2012

    Airworthiness Directives; Cessna Aircraft Company Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain Cessna Aircraft Company Model 500, 501, 550, 551, S550, 560, 560XL, and 650 airplanes. This proposed AD was prompted by multiple reports of smoke and/or fire in the tailcone caused by sparking due to excessive wear of the brushes in the air conditioning (A/C) motor. This proposed AD would re…

    Federal Register →
  • Aug 22, 2008

    Airworthiness Directives; Pratt & Whitney Canada (P&WC) JT15D-5; -5B; -5F; and -5R Turbofan Engines

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as follows:

    Federal Register →
  • Jun 1, 2007

    Airworthiness Directives; Cessna Model 500, 501, 550, 551, S550, 560, 560XL, and 750 Airplanes

    The FAA is superseding an existing airworthiness directive (AD), which applies to certain Cessna Model 500, 550, S550, 560, 560XL, and 750 airplanes. That AD currently requires installing identification sleeves on the wires for the positive and negative terminal studs of the engine and/or auxiliary power unit (APU) fire extinguishing bottles, as applicable,…

    Federal Register →
  • Feb 15, 2007

    Airworthiness Directives; Cessna Model 500, 501, 550, 551, S550, 560, 560XL, and 750 Airplanes

    The FAA proposes to supersede an existing airworthiness directive (AD) that applies to certain Cessna Model 500, 550, S550, 560, 560XL, and 750 airplanes. The existing AD currently requires installing identification sleeves on the wires for the positive and negative terminal studs of the engine and/or auxiliary power unit (APU) fire extinguishing bottles, a…

    Federal Register →
  • Mar 16, 2006

    Airworthiness Directives; Cessna Model 500, 501, 550, S550, 551, and 560 Airplanes

    The FAA is adopting a new airworthiness directive (AD) for certain Cessna Model 500, 501, 550, S550, 551, and 560 airplanes. This AD requires revising the airplane flight manual (AFM) to prohibit use of the wing fuel boost pumps for defueling under certain conditions; installing a placard; doing other specified investigative and corrective actions as necess…

    Federal Register →
  • Oct 25, 2005

    Airworthiness Directives; Cessna Model 500, 501, 550, S550, 551, and 560 Airplanes

    The FAA is revising an earlier proposed airworthiness directive (AD) for certain Cessna Model 500, 501, 550, S550, 551, and 560 airplanes. The original NPRM would have required revising the airplane flight manual (AFM) to prohibit use of the wing fuel boost pumps for defueling under certain conditions; installing a placard; doing other specified investigati…

    Federal Register →
  • Apr 18, 2005

    Airworthiness Directives; Cessna Model 500, 501, 550, S550, 551, and 560 Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Cessna Model 500, 501, 550, S550, 551, and 560 airplanes. This proposed AD would require revising the airplane flight manual (AFM) to prohibit use of the wing fuel boost pumps for defueling under certain conditions; installing a placard; doing other specified investigative and correcti…

    Federal Register →
  • Jun 15, 2004

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

    This document corrects information in an existing airworthiness directive (AD) that applies to certain Cessna Model 500, 501, 550, and 551 airplanes. That AD currently requires a one-time inspection of the brake stator disks to determine to what change level they have been modified (if any), and related investigative and corrective actions if necessary. Tha…

    Federal Register →
  • Apr 28, 2004

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

    This amendment adopts a new airworthiness directive (AD); applicable to certain Cessna Model 500, 501, 550, and 551 airplanes; that requires a one-time inspection of the brake stator disks to determine to what change level they have been modified (if any), and related investigative and corrective actions if necessary. This AD also requires that the existing…

    Federal Register →
  • Apr 21, 2004

    Airworthiness Directives; Goodrich Avionics Systems, Inc. TAWS8000 Terrain Awareness Warning System

    The FAA supersedes Airworthiness Directive (AD) 2003-13-08, which currently applies to all Goodrich Avionics Systems, Inc. (Goodrich) TAWS8000 terrain awareness warning systems (TAWS) that are installed on airplanes. AD 2003-13-08 currently requires you to inspect the TAWS installation and remove any TAWS where both the TAWS and any other device are connect…

    Federal Register →
  • Dec 3, 2003

    Airworthiness Directives; Goodrich Avionics Systems, Inc. TAWS8000 Terrain Awareness Warning System

    The FAA proposes to supersede airworthiness directive (AD) 2003-13-08, which currently applies to all Goodrich Avionics Systems, Inc. (Goodrich) TAWS8000 terrain awareness warning systems (TAWS) that are installed on airplanes. AD 2003-13-08 currently requires you to inspect the TAWS installation and remove any TAWS where both the TAWS and any other device…

    Federal Register →
  • Nov 12, 2003

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

    This document revises an earlier proposed airworthiness directive (AD); applicable to certain Cessna Model 500, 501, 550, and 551 airplanes; that would have required inspection of the piston housing for an "SB" impression stamp; a one-time inspection of the brake assembly to detect cracked or broken brake stator disks; and replacement of the brake assembly…

    Federal Register →
  • Jun 30, 2003

    Airworthiness Directives; Goodrich Avionics Systems, Inc. TAWS8000 Terrain Awareness Warning System

    This amendment adopts a new airworthiness directive (AD) that applies to all Goodrich Avionics Systems, Inc. (Goodrich) TAWS8000 terrain awareness warning systems (TAWS) that are installed on airplanes. This AD requires you to inspect the TAWS installation and remove any TAWS where both the TAWS and any other device are connected to the same baro set potent…

    Federal Register →
  • 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…

    Federal Register →
  • Nov 2, 2001

    Airworthiness Directives; Overland Aviation Services Fire Extinguishing System Bottle Cartridges

    This amendment adopts a new airworthiness directive (AD) that applies to certain Overland Aviation Services (OAS) fire extinguishing system bottle cartridges that were distributed during a certain time period and are installed on aircraft. This AD requires you to remove from service any of these fire extinguishing system bottle cartridges. This AD is the re…

    Federal Register →
  • 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…

    Federal Register →
  • Sep 7, 2000

    Airworthiness Directives; Cessna Model 500 Series Airplanes

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Cessna Model 500 series airplanes. This proposal would require inspection of the piston housing for an "SB" impression stamp; a one-time inspection of the brake assembly to detect cracked or broken brake stator disks; and replacement of the brake assembly…

    Federal Register →
  • Mar 23, 2000

    Airworthiness Directives; The New Piper Aircraft, Inc. PA-31 Series Airplanes

    This document adopts a new airworthiness directive (AD) that applies to all The New Piper Aircraft, Inc. PA-31 series airplanes that are equipped with pneumatic deicing boots. This AD requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This AD is the result of reports of in-fligh…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Short Brothers SD3-30, SD3-60, SD3- SHERPA, and SD3-60 SHERPA Series Airplanes.

    This amendment adopts a new airworthiness directive (AD), applicable to certain Short Brothers SD3-30, SD3-60, SD3-SHERPA, and SD3-60 SHERPA series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 Series Airplanes and Model F27 Mark 050 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 series airplanes and Model F27 Mark 050 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompte…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Bombardier Model DHC-7 and DHC-8 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Bombardier Model DHC-7 and DHC-8 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred in…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Lockheed Model 1329-23 and 1329-25 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Lockheed Model 1329-23 and 1329-25 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Dornier Model Dornier 328-100 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Dornier Model Dornier 328-100 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred in ic…

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  • Nov 22, 1999

    Airworthiness Directives; CASA C-212 and CN-235 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain CASA C-212 and CN-235 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred in icing cond…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Saab Model SAAB SF340A, SAAB 340B, and SAAB 2000 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Saab SAAB SF340A, SAAB 340B, and SAAB 2000 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that o…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; British Aerospace Model HS 748 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain British Aerospace Model HS 748 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred in i…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Jetstream Model BAe ATP Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Jetstream Model BAe ATP series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred in icing co…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Aerospatiale Model ATR-42 and ATR-72 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurre…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Fairchild Model F-27 and FH-227 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Fairchild Model F-27 and FH-227 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred in…

    Federal Register →
  • Nov 22, 1999

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

    This amendment adopts a new airworthiness directive (AD), applicable to certain Lockheed Model L-14 and L-18 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred in ici…

    Federal Register →
  • Nov 22, 1999

    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 certain Gulfstream American (Frakes Aviation) Model G-73 (Mallard) and G-73T series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incide…

    Federal Register →
  • Nov 22, 1999

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

    This amendment adopts a new airworthiness directive (AD), applicable to certain Mitsubishi Model YS-11 and YS-11A series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and an accident that occurred i…

    Federal Register →
  • Nov 22, 1999

    Airworthiness Directives; Sabreliner Model NA-265-40, NA-265-60, NA-70, and, NA-265-80 Series Airplanes

    This amendment adopts a new airworthiness directive (AD), applicable to certain Sabreliner Model NA-265-40, NA-265-60, NA-70, and NA-265-80 series airplanes, that requires revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This amendment is prompted by reports of inflight incidents and a…

    Federal Register →
  • Nov 18, 1999

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

    This action withdraws a notice of proposed rulemaking (NPRM) that proposed a new airworthiness directive (AD), applicable to certain Cessna Model 500, 501, 550, 551, and 560 series airplanes. That action would have required revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. Since the iss…

    Federal Register →
  • Jul 16, 1999

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

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Cessna Models 500, 501, 550, 551, and 560 airplanes. This proposal would require revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This proposal is prompted by reports of inflight inc…

    Federal Register →
  • Jul 12, 1999

    Airworthiness Directives; Overland Aviation Services Fire Extinguishing System Bottle Cartridges

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Overland Aviation Services fire extinguishing system bottle cartridges that were distributed during a certain time period. The proposed AD would require removing from service any of these fire extinguishing system bottle cartridges. The proposed AD is the result o…

    Federal Register →
  • 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…

    Federal Register →

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.