FAA Airworthiness Directives

Current understanding

To be populated as evidence accumulates.

Evidence log

• 2026-08-27 — Airworthiness Directives; The Boeing Company Airplanes: 2026 — FAA final rule AD for certain Boeing 787-8, 787-9, and 787-10 airplanes requires repetitive inspections of wing-body splice parts for fatigue cracks caused by manufacturing errors, with corrective action if cracks are found. (novelty: 2)
• 2026-08-28 — Airworthiness Directives; Leonardo S.p.A. Helicopters: 2026 — FAA AD for specified Leonardo S.p.A. helicopters requires inspection of a swashplate duplex bearing for incorrect installation, corrective action if needed, and prohibits installation of affected bearings that do not meet the new requirements. (novelty: 2) (novelty: 2)
• 2026-08-28 — Airworthiness Directives; Lycoming Engines: 2026 — FAA AD for certain Lycoming O-235, O-540, and IO-540 engines requires replacement of a defective piston pin prone to breakage causing engine failure, along with inspection of the oil system for metal debris. (novelty: 2)
• 2026-08-28 — Airworthiness Directives; Bell Textron Canada Limited Helicopters: 2026 — FAA final rule AD for certain Bell Model 222 helicopters requires removal of an affected tail-rotor pitch horn that can fail in flight, replacement with a serviceable part, and prohibits installation of the affected part on any helicopter. (novelty: 2)
• 2026-08-28 — Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes: 2026 — FAA AD for certain Pilatus PC-12/47E airplanes requires owners to modify a cabin trim panel so the emergency exit is openable from the inside and prohibits installation of the affected parts. (novelty: 2)
• 2026-09-01 — Airworthiness Directives; Airbus Helicopters: 2026 — FAA proposes to extend the compliance deadline for installing an improved main-gearbox cooling-fan bearing assembly on certain Airbus SA330J helicopters while retaining repetitive inspections and restricting which replacement bearings may be installed. (novelty: 2) (novelty: 2)
• 2026-09-02 — Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes: 2026 — FAA proposes to expand a 2021 AD on Airbus Canada BD-500 (A220) airplanes to four additional aircraft, requiring inspection of motive-flow flexible fuel lines for damage and replacement of any damaged parts. (novelty: 2)
• 2026-09-03 — Airworthiness Directives; Pratt & Whitney Division Engines: 2026 — FAA AD for certain Pratt & Whitney PW4000-series engines requires inspection of high-pressure compressor drum rotor disks for incorrect shot peening and replacement of affected parts, including some before their published life limits, to address a manufacturing quality escape. (novelty: 2)
• 2026-09-03 — Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes: 2026 — FAA final rule AD for certain ATR 42-500 airplanes requires operators to revise maintenance or inspection programs to incorporate a new airworthiness limitation addressing an unsafe condition. (novelty: 2) (novelty: 2)
• 2026-09-03 — Airworthiness Directives; Airbus SAS Airplanes: 2026 — FAA proposes AD for Airbus A318/A319/A320/A321 airplanes requiring replacement or inspection of certain engine fire panels after a fire switch self-released and shut down an engine in flight. (novelty: 2)
• 2026-08-18 — Airworthiness Directives; The Boeing Company Airplanes: 2026 — FAA proposes AD for certain Boeing 737-300/-400/-500 airplanes requiring installation of new angle-of-attack sensor heaters and repetitive functional tests to prevent frozen AOA vanes from producing false stall warnings during climb. (novelty: 2)
• 2026-08-19 — Airworthiness Directives; Airbus SAS Airplanes: 2026 — FAA proposes AD for certain Airbus A330-941 airplanes requiring installation of updated flight-control computer software after a triple flight-control computer fault at landing, and prohibiting installation of the older software parts. (novelty: 2)
• 2026-08-20 — Airworthiness Directives; International Aero Engines AG Engines: 2026 — FAA AD for International Aero Engines AG V2500-series engines requires replacement of specified 3rd-stage high-pressure compressor rotor blades subject to wear and potential failure. (novelty: 2)
• 2026-08-20 — Airworthiness Directives; The Boeing Company Airplanes: 2026 — FAA proposes AD for certain Boeing 787-8 airplanes requiring inspection of large forward cargo-door split frames for nonconforming material batches and corrective action if affected parts are found. (novelty: 2)
• 2026-08-24 — Airworthiness Directives; Airbus Helicopters: 2026 — FAA proposes AD for Airbus AS332L/L1/L2 and EC225LP helicopters requiring an additional inspection of the emergency sea anchor (with replacement if it fails) on top of an existing inspection requirement. (novelty: 2)
• 2026-08-25 — Special Conditions: Pratt and Whitney Canada, PW220A; New Engine Rating: Idle-Cruise Regime: 2026 — FAA proposes special conditions (distinct from ADs) for the Pratt & Whitney Canada PW220A engine to establish safety standards for a new ‘idle-cruise’ power rating not covered by existing Part 33 engine certification rules, another example of novel propulsion features being certified via special conditions rather than airworthiness directives. (novelty: 2)
• 2026-08-13 — Airworthiness Directives; The Boeing Company Airplanes: 2026 — FAA final rule supersedes prior AD for certain Boeing 767 airplanes with specified winglets, expanding and continuing repetitive inspections and repairs for fatigue cracks in the lower outboard wing skin. (novelty: 2)
• 2026-08-13 — Airworthiness Directives; Airbus SAS Airplanes: 2026 — FAA proposes AD for certain Airbus A330 and A340 airplanes requiring repetitive leak checks of fuel low-pressure shut-off valves and replacement of any valves that fail, to address an unsafe leak condition. (novelty: 2) (novelty: 2)
• 2026-08-14 — Airworthiness Directives; Pratt & Whitney Canada Corp. Engines: 2026 — FAA final rule AD for Pratt & Whitney Canada PW210A/PW210A1/PW210S engines requires repetitive inspections of turbine exhaust frames for cracks on material-dependent schedules, with replacement of cracked frames. (novelty: 2)
• 2026-08-14 — Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes: 2026 — FAA final rule expands prior AD for ATR42-500 and ATR72-212A airplanes, requiring inspection of additional horizontal stabilizer areas for damage and corrective action, broadening applicability to more aircraft and parts. (novelty: 2)
• 2026-08-14 — Airworthiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Airplanes: 2026 — FAA final rule AD for Gulfstream Aerospace LP Model Gulfstream 200 and Galaxy airplanes (type certificate previously held by Israel Aircraft Industries) requires operators to revise maintenance or inspection programs to incorporate new or more restrictive airworthiness limitations. (novelty: 2)
• 2026-08-14 — Airworthiness Directives; Air Tractor, Inc. Airplanes: 2026 — FAA final rule supersedes prior AD for Air Tractor AT-802 and AT-802A airplanes equipped with Wipaire floats, continuing repetitive crack inspections of the horizontal stabilizer spars and adding a new inspection area where additional cracks were discovered. (novelty: 2)
• 2026-08-17 — Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines: 2026 — FAA proposes AD for certain Rolls-Royce Trent XWB engines requiring installation of an improved front bearing housing oil feed tube assembly and prohibiting installation of the affected older assembly to correct lower-than-expected oil pressure. (novelty: 2) (novelty: 2)
• 2026-08-06 — Airworthiness Directives; Various Helicopters: 2026 — FAA final rule supersedes AD 2015-20-12 for certain Sikorsky and related helicopters to reduce the retirement life of specified main rotor shafts and update type certificate holder names. (novelty: 2)
• 2026-08-06 — Airworthiness Directives; Airbus Helicopters: 2026 — FAA issues AD for certain Airbus Helicopters AS350 and EC130 models requiring inspection of the main gearbox engine coupling and corrective actions following reports of incorrectly installed engine flanges. (novelty: 2)
• 2026-07-31 — Requirements for Interference-Tolerant Radio Altimeter Systems: 2026 — FAA final rule establishes new interference-tolerance performance standards for radio altimeters with 2030/2034 compliance deadlines tied to Upper C-band terrestrial wireless authorization, moving altimeter-5G coexistence from ad hoc airworthiness directives toward codified minimum equipment standards. (novelty: 3)
• 2026-07-31 — Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band: 2026 — FCC final rule opening Upper C-band (3.98–4.2 GHz) for terrestrial flexible use requires new licensees to fund radio-altimeter retrofit rebates, addressing the same altimeter-interference concern that previously drove FAA airworthiness directives during Lower C-band 5G deployment. (novelty: 3)
• 2026-07-30 — Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines: 2026 — FAA issues final rule AD for Safran Helicopter Engines Arriel 2E engines (type certificate previously held by Turbomeca), requiring operators to revise maintenance or inspection programs to incorporate more restrictive airworthiness limitations. (novelty: 2)
• 2026-07-30 — Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters: 2026 — FAA proposes to supersede AD 2024-04-10 for Airbus Helicopters Deutschland EC135/EC635 helicopters, discontinuing inspection Method A, retaining repetitive crack inspections of certain tail rotor blade assemblies, and allowing replacement of the affected part as terminating action. (novelty: 2)
• 2026-07-29 — Airworthiness Directives; Airbus Helicopters: 2026 — FAA proposes to supersede AD 2022-01-01 for specified Airbus Helicopters models, retaining alignment-marking and repetitive main-rotor pitch-rod upper-link inspections while allowing a new manufacturer pitch-rod lever axis attachment screw modification as a terminating action and restricting installation of affected screws. (novelty: 2) (novelty: 2)
• 2026-07-29 — Airworthiness Directives; Airbus SAS Airplanes: 2026 — FAA final rule supersedes AD 2025-16-12 for specified Airbus A319/A320/A321 neo airplanes, continuing prior AFM/MEL revisions and part-installation prohibitions while adding repetitive replacement of affected high-pressure bleed valve (HPV) clips to address an unsafe condition. (novelty: 2)
• 2026-07-28 — Airworthiness Directives; The Boeing Company Airplanes: 2026 — FAA final rule supersedes AD 2024-19-14 for Boeing 777 airplanes, requiring additional repetitive detailed inspections and bond-resistance measurements of bonding jumpers on main fuel tank penetrations, expanding applicability, and adding a new airworthiness limitation. (novelty: 2)
• 2026-07-23 — Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines: 2026 — FAA proposes to supersede AD 2023-12-16 for certain Rolls-Royce Deutschland Trent 1000 engines, continuing HPT triple-seal wear inspections and related part replacements while removing engine serial numbers modified per a manufacturer service bulletin from applicability. (novelty: 2) (novelty: 2)
• 2026-07-17 — Airworthiness Directives; General Electric Company Engines: 2026 — FAA final rule requires removal from service and replacement of defective fuel tube hoses connecting the main fuel-oil heat exchanger on certain GE GEnx-1B and GEnx-2B engines after a reported fuel leak created an unsafe condition. (novelty: 2)
• 2026-07-17 — Airworthiness Directives; Diamond Aircraft Industries GmbH: 2026 — FAA final rule adopts AD for Diamond DA 42, DA 42 NG, and DA 42 M-NG airplanes requiring AFM revisions, repetitive inspections of nose landing gear hydraulic actuator rod ends, and replacement of cracked or damaged rod ends to prevent uncommanded rudder deflection. (novelty: 2)
• 2026-07-14 — Airworthiness Directives; Leonardo S.p.a Helicopters: 2026 — FAA proposes to supersede AD 2021-12-10 for Leonardo AB139/AW139 helicopters modified under STC SR04384NY, requiring configuration-specific placards on the primary stretcher unit and rotorcraft flight manual revisions to address an unsafe condition. (novelty: 2)
• 2026-07-14 — Airworthiness Directives; Bombardier, Inc., Airplanes: 2026 — FAA final rule supersedes AD 2025-17-12 for Bombardier CL-600 series airplanes to continue requiring revised airworthiness limitations and expand applicability to additional Model CL-600-2B16 (604 Variants) serial numbers previously omitted. (novelty: 2) (novelty: 2)
• 2026-07-15 — Airworthiness Directives; Bell Textron Canada Limited Helicopters: 2026 — FAA proposes to supersede AD 2022-27-08 for certain Bell Model 407 helicopters, adding repetitive tailboom attachment inspections, torque checks and hardware replacement, a detailed terminating inspection of the tail boom and aft fuselage, prohibition of certain longeron assemblies, and a new life limit for attachment bolts following additional bolt failure reports. (novelty: 2) (novelty: 2)
• 2026-07-15 — Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines: 2026 — FAA proposes AD for Rolls-Royce Deutschland BR700-725A1-12 engines requiring operators to revise approved maintenance programs to incorporate new or more restrictive airworthiness limitations for life-limited parts. (novelty: 2) (novelty: 2)
• 2026-07-10 — Special Conditions: Gulfstream Aerospace Corporation (Gulfstream) Model G300 Airplane; Dynamic Test Requirements for Single- and Multiple- Occupant Side-Facing Seats With or Without Airbag Systems: 2026 — FAA proposes special conditions (distinct from ADs) for the Gulfstream G300 covering dynamic test requirements for single- and multiple-occupant side-facing seats with or without airbags, another example of novel cabin design features being addressed through special conditions rather than the AD process. (novelty: 2) (novelty: 2)
• 2026-07-10 — Airworthiness Directives; Safran Helicopter Engines, S.A. Engines: 2026 — FAA proposes to supersede AD 2023-15-03 for Safran Arrius 2B2 helicopter engines, requiring incorporation of updated airworthiness limitations with more restrictive manufacturer maintenance tasks and life limits. (novelty: 2) (novelty: 2)
• 2026-07-10 — Airworthiness Directives; CFM International, S.A. Engines: 2026 — FAA final rule supersedes AD 2025-21-03 for CFM International LEAP-1A series engines, updating borescope inspection intervals for HPT rotor stage 1 blades to address accelerated blade deterioration observed on engines operating in the South Asia region. (novelty: 2)
• 2026-07-10 — Airworthiness Directives; Airbus SAS Airplanes: 2026 — FAA final rule supersedes AD 2025-11-02 for Airbus A319/A320/A321 NEO family airplanes, requiring a DRAIMS software modification to address dual loss of radio management panel data synchronization, expanding applicability to include the A321-271NY, and prohibiting installation of affected parts. (novelty: 2) (novelty: 2)
• 2026-07-09 — Airworthiness Directives; The Boeing Company Airplanes: 2026 — FAA proposes to supersede AD 2023-07-09 for Boeing 747-400 and 747-8 airplanes, requiring repetitive inspections of transfer pump housing inlet check valves and impeller inlet adapters in the horizontal stabilizer fuel tank with revised corrective action criteria. (novelty: 2) (novelty: 2)
• 2026-02-24 — ROTOR Act: 2026 — ROTOR Act (introduced) would tighten ADS-B In/Out equipage requirements for rotorcraft and repeal a 2025 DC-area military helicopter exemption; while not an AD, it reflects the same rotorcraft-safety concerns driving recent helicopter ADs and could shape future airworthiness action on surveillance equipage. (novelty: 3)
• 2026-05-06 — Special Conditions: Skyryse, Robinson Helicopter Company Model R66 Helicopter; Static Longitudinal Stability: 2026 — FAA issues special conditions (not an AD) for the Skyryse-modified Robinson R66 helicopter to address static longitudinal stability of its four-axis full-authority digital fly-by-wire flight control system, further illustrating how novel rotorcraft design features are handled through special conditions rather than airworthiness directives. (novelty: 3)
• 2026-05-13 — Airworthiness Directives; Leonardo S.p.A. Helicopters: 2026 — FAA final rule supersedes AD 2021-23-04 to expand repetitive lateral-pylon/floor-spar cracking inspections to additional Leonardo S.p.A. helicopter models and adds a manufacturer-developed modification as terminating action. (novelty: 2) (novelty: 2)
• 2026-05-08 — Airworthiness Directives; Embraer S.A. Airplanes: 2026 — FAA final rule requires operational checks and on-condition actions for pitch trim actuator failures on Embraer EMB-545 and EMB-550 airplanes. (novelty: 2)
• 2026-05-12 — Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes: 2026 — FAA proposes to supersede AD 2022-25-05 for Airbus Canada BD-500-1A10/-1A11 (A220) airplanes, adding a rework NDT inspection of previously repaired slat tracks where inappropriate NDT methods may have left cracks undetected. (novelty: 2)
• 2026-05-13 — Airworthiness Directives; The Boeing Company Airplanes: 2026 — FAA final rule requires repetitive inspections of fuselage skin and structure around the aft drain mast on Boeing 737-100 through -500 series airplanes to detect cracks and corrosion. (novelty: 2)
• 2026-05-22 — Airworthiness Directives; Airbus SAS Airplanes: 2026 — FAA final rule requires repetitive operational checks and corrective actions for standby fuel pumps on Airbus A330 series airplanes to prevent dormant pump failure from trapping unusable fuel in the aft inner tank. (novelty: 2) (novelty: 2)
• 2026-05-22 — Airworthiness Directives; Pratt & Whitney RTX Corporation (Type Certificate Previously Held by Pratt & Whitney Division United Technologies Corporation) Engines: 2026 — FAA issues AD requiring repetitive ultrasonic inspections and potential replacement of high-pressure compressor and turbine components on Pratt & Whitney PW4074/4077/4084D/4090 engines following an HPC rotor separation event. (novelty: 2)
• 2026-05-26 — Airworthiness Directives; Pratt & Whitney Division Engines: 2026 — FAA proposes AD requiring replacement of pressure burner sensors on specified Pratt & Whitney PW4000-series engines to address undetected sensor deterioration that can cause tailpipe fires, loss of thrust control, and in-flight shutdowns. (novelty: 2) (novelty: 2)
• 2026-06-01 — Special Conditions: Honeywell International Inc., Boeing Model 757-200 Series Airplanes; Electronic System Security Protection From Unauthorized External Access: 2026 — FAA issues special conditions (not an AD) for Honeywell-modified Boeing 757-200 airplanes covering cybersecurity of newly connected avionics, further illustrating how modification-driven novel design features are handled through special conditions rather than airworthiness directives. (novelty: 3)
• 2026-06-04 — Airworthiness Directives; Airbus SAS Airplanes: 2026 — FAA proposes to supersede AD 2025-04-05 for Airbus A330-841 and -941 airplanes, adding a bleed monitoring computer software update and removing repetitive HPV clip replacement following certification of an improved engine bleed air system high pressure valve. (novelty: 2)
• 2026-06-09 — Airworthiness Directives; Hélicoptères Guimbal Helicopters: 2026 — FAA final rule mandates inspection, corrective action, and modification of the main rotor mast on Hélicoptères Guimbal Cabri G2 helicopters to address cracking and corrosion pitting. (novelty: 2)
• 2026-06-15 — Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines: 2026 — FAA final rule supersedes AD 2020-05-01 for Rolls-Royce Trent 1000 engines, updating borescope inspection thresholds for high-pressure turbine blades and incorporating improved blade designs. (novelty: 2)
• 2026-06-15 — Airworthiness Directives; The Boeing Company Airplanes: 2026 — FAA issues AD requiring replacement of the mode control panel on certain Boeing 787-8, 787-9, and 787-10 airplanes to address uncommanded changes to the selected altitude. (novelty: 2) (novelty: 2)
• 2026-06-18 — Special Conditions: Honeywell Aerospace US LLC, Dassault Aviation Model Falcon 900EX Airplane; Electronic System Security Protection From Unauthorized External Access: 2026 — FAA issues special conditions (distinct from ADs) for Honeywell-modified Dassault Falcon 900EX to address cybersecurity of a new digital architecture enabling external connectivity to previously isolated onboard systems, illustrating how novel avionics designs are handled outside the AD process. (novelty: 2) (novelty: 2)
• 2026-06-26 — Transport Airplane and Propulsion Certification Modernization: FAA proposes broader modernization of transport airplane and propulsion certification standards, which could reduce the volume of future ADs by codifying fixes currently handled through exemptions and harmonizing with international airworthiness requirements. (novelty: 2)
• 2026-06-29 — Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters: FAA proposes new AD requiring repetitive inspections and potential replacement of tail rotor blade assemblies on Airbus Helicopters Deutschland EC135/EC635 models due to intergranular corrosion-induced cracking. (novelty: 2)
• 2026-06-29 — Airworthiness Directives; Airbus Helicopters: 2026 — Airworthiness Directives; Airbus Helicopters: FAA final rule supersedes two prior ADs for certain Airbus AS332 helicopters, mandating modification of the cabin lateral sliding plug door release/jettison system as a terminating action for repetitive inspections. (novelty: 2) (novelty: 2)
• 2026-07-02 — Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines: FAA final rule supersedes AD 2024-25-10 to expand fuel hose assembly inspections to additional Rolls-Royce Trent XWB engine models and convert one-time inspections into repetitive inspections addressing an unsafe condition. (novelty: 2)

Open questions

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