26 Airworthiness Directives: 20 airplane, 4 rotorcraft, 1 appliance, 1 various.
AD 2025-15-04 · published Aug 6, 2025, effective Sep 10, 2025
Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Gulfstream Aerospace LP Model Gulfstream G150 airplanes. This AD was prompted by a determination that a new airworthiness limitation is necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate a new airworthiness limitation. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-15-08 · published Aug 6, 2025, effective Aug 21, 2025
The Boeing Company Airplanes
The FAA is superseding Airworthiness Directive (AD) 2025-01- 06, which applied to all The Boeing Company Model 767-200, -300, -300F, and -400ER series airplanes. AD 2025-01-06 required identifying the part number, and the serial number if applicable, of the Captain's and First Officer's seats and applicable on-condition actions for affected seats. AD 2025-01-06 also required a one-time detailed inspection and repetitive checks of the horizontal movement system (HMS) of the Captain's and First Officer's seats and applicable on-condition actions. Since the FAA issued AD 2025-01-06, the FAA determined that AD 2025-01-06 contains an error when providing conditions for taking credit using a previous revision of the service information. This AD requires the actions of AD 2025-01-06 and revises paragraph (j) of this AD to clarify which actions are not required. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-15-09 · published Aug 6, 2025, effective Aug 21, 2025
The Boeing Company Airplanes
The FAA is superseding Airworthiness Directive (AD) 2024-15- 03, which applied to all The Boeing Company Model 777 airplanes. AD 2024-15-03 required identifying the part number, and the serial number if applicable, of the Captain's and First Officer's seats and applicable on-condition actions for affected seats. AD 2024-15-03 also required a one-time detailed inspection and repetitive checks of the horizontal movement system (HMS) for the Captain's and First Officer's seats and applicable on-condition actions. Since the FAA issued AD 2024-15-03, the FAA determined that AD 2024-15-03 contains an error when providing conditions for taking credit using a previous revision of the service information. This AD requires the actions of AD 2024-15-03 and revises paragraph (j) of this AD to clarify which actions are not required. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-01 · published Aug 14, 2025, effective Sep 18, 2025
Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes. This AD was prompted by a report of multiple in-service failures of engine feed check valves, which have resulted in fuel imbalance conditions in flight. This AD requires repetitive replacement of the left-and right-side engine feed check valves with new engine feed check valves and prohibits flight dispatch under certain conditions. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-03 · published Aug 14, 2025, effective Sep 18, 2025
BAE Systems (Operations) Limited Airplanes
The FAA is superseding Airworthiness Directive (AD) 2023-02- 06, which applied to all BAE Systems (Operations) Limited Model 4101 airplanes. AD 2023-02-06 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2023-02- 06, new or more restrictive airworthiness limitations have been developed. This AD continues to require certain actions in AD 2023-02- 06 and requires revising the existing maintenance or inspection program, as applicable to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-04 · published Aug 14, 2025, effective Sep 18, 2025
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A318, A319, A320, and A321 series airplanes. This AD was prompted by a heavy maintenance check that found elongation on the upper section of the vertical member's assembly at the frame (FR) 24A cargo panel sub-structure. This AD requires a check for certain repairs, and as applicable, repetitive detailed visual inspections of the vertical member's upper part and the upper fittings at FR 24A in the forward cargo compartment and corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-07 · published Aug 14, 2025, effective Sep 18, 2025
Bombardier, Inc., Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-700-1A10 airplanes. This AD was prompted by a report indicating that the clearance between therapeutic flexible oxygen hoses and electrical harnesses may be non-compliant to design requirements, and that positive separation mechanisms and appropriate protective barriers may not have been installed in accordance with the applicable installation standards. This AD requires a detailed inspection of the therapeutic flexible oxygen hose for damage and protection, and the electrical harnesses for damage; a detailed inspection for the clearance between the therapeutic oxygen rigid tube to oxygen hose elbow fitting (also referred to as elbow fitting), if applicable, and the nearest electrical harness, and between the therapeutic flexible oxygen hose and electrical harness; and applicable related investigative and corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-12 · published Aug 14, 2025, effective Aug 29, 2025
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A319-151N, -153N, -171N, and -173N airplanes; Model A320-251N, -252N, -253N, -271N, -272N, and -273N airplanes; and Model A321-251N, -252N, -253N, -271N, -272N, -251NX, -252NX, -253NX, -271NX, -272NX, -253NY, and -271NY airplanes. This AD was prompted by occurrences of high-pressure bleed valve (HPV) butterfly seal retention clip rupture. This AD requires revising the existing airplane flight manual (AFM) and the existing FAA-approved minimum equipment list (MEL), allows replacement of each affected HPV as an optional terminating action, and prohibits the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-05 · published Aug 18, 2025, effective Sep 22, 2025
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A300 B4-2C, A300 B4-203, A300 B4-603, A300 B4- 605R, A300 B4-622, A300 B4-622R, and A300 F4-605R airplanes. This AD was prompted by reports of cracking of the main landing gear (MLG) support rib 5 lower flange on certain modified airplanes due to incorrect accomplishment of modification instructions. This AD requires a special detailed inspection (geometrical inspection) of the MLG rib 5 lower flange holes on the left-hand wing and right-hand wing and repair if necessary. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-06 · published Aug 18, 2025, effective Sep 22, 2025
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A319-112 and -132 airplanes, and Model A320- 214, -232, -233, -251N, and -271N airplanes. This AD was prompted by rivet holes being left unplugged after bracket relocation or removal accomplished during certain modifications, potentially resulting in fatigue damage starting from those rivet holes. This AD requires a one- time special detailed inspection (SDI) of the rivet holes and applicable corrective actions; and allows the installation of certain modifications, provided rivets are installed after the modification. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-10 · published Aug 18, 2025, effective Sep 22, 2025
Airbus SAS Airplanes
The FAA is superseding Airworthiness Directive (AD) 2020-06- 18, which applied to all Airbus SAS Model A318 series airplanes; A319 series airplanes; A320-211, -212, -214, -216, -231, -232, -233, -251N, -252N, -253N, -271N, -272N, and -273N airplanes; and A321 series airplanes. AD 2020-06-18 required replacement of affected trimmable horizontal stabilizer actuators (THSAs) with serviceable THSAs. Since the FAA issued AD 2020-06-18, a new Airbus airplane model (A321-253NY) has been certified, on which affected parts could be installed in service. This AD continues to require the actions in AD 2020-06-18, revises the applicability to include Model A321-253NY airplanes, and prohibits the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-11 · published Aug 18, 2025, effective Sep 2, 2025
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A321-271NY airplanes. This AD was prompted by the determination that affected parts addressed by other ADs could be installed in service on this airplane model. This AD requires corrective action if necessary and prohibits the installation of affected parts. The FAA is issuing this AD to address unsafe conditions on these products.
AD 2025-17-01 · published Aug 25, 2025, effective Sep 29, 2025
Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500- 1A11 airplanes. This AD was prompted by reports that the interface pin of the secondary load path in the upper gimbal of the horizontal stabilizer trim actuator (HSTA) was incorrectly installed. This AD requires a detailed visual inspection of the interface pin of the HSTA to determine if the interface pin is incorrectly installed, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-04 · published Aug 25, 2025, effective Sep 29, 2025
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A330-200, A330-200 Freighter, A330-300, A330- 800, and A330-900 series airplanes. This AD was prompted by an incorrect shot peening application being implemented in production starting from 2008. This AD requires repetitive detailed inspections (DET) of certain splice fittings and, depending on findings, repair. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-08 · published Aug 25, 2025, effective Sep 29, 2025
Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes
The FAA is superseding Airworthiness Directive (AD) 2022-23- 08, which applied to all Viking Air Limited (Viking) Model DHC-3 airplanes. AD 2022-23-08 required a visual inspection of the stabilizer actuator to confirm that the stabilizer actuator lock ring is present, correctly seated in the groove in the upper housing, and engaged in the clamp nut, applicable corrective actions, application of a torque seal, and sending the inspection results to the FAA. Since the FAA issued AD 2022-23-08, Transport Canada, which is the aviation authority for Canada, issued mandatory continuing airworthiness information (MCAI) to address the unsafe condition identified as a missing stabilizer actuator lock ring. This AD requires repetitively inspecting the stabilizer actuator to confirm that the stabilizer actuator lock ring is present, correctly seated in the groove in the upper housing, and engaged in the clamp nut; taking applicable corrective actions; applying a witness mark (torque seal); and installing a secondary retention feature as terminating action for the repetitive inspections. This AD also prohibits installing any stabilizer actuator unless it is a serviceable part. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-09 · published Aug 25, 2025, effective Sep 29, 2025
ATR-GIE Avions de Transport Régional Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain ATR--GIE Avions de Transport R[eacute]gional Model ATR72 airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-05 · published Aug 27, 2025, effective Oct 1, 2025
Airbus SAS Airplanes
The FAA is superseding Airworthiness Directive (AD) 2017-14- 14, which applied to all Airbus SAS Model A321-111, -112, -131, -211, - 212, -213, -231, and -232 airplanes. AD 2017-14-14 required repetitive inspections for cracking in the cabin floor beam junction at certain fuselage frame locations and repair if necessary. Since the FAA issued AD 2017-14-14, further analysis determined that the compliance times for the inspections must also be based on flight hours. This AD continues to require the actions in AD 2017-14-14, revises compliance times, and adds a provision for optional modifications. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-06 · published Aug 27, 2025, effective Oct 1, 2025
Airbus SAS Airplanes
The FAA is superseding Airworthiness Directive (AD) 2022-18- 01, which applied to certain Airbus SAS Model A330-200 series airplanes, A330-200 Freighter series airplanes, A330-300 series airplanes, Model A330-800 series airplanes, and A330-900 series airplanes. AD 2022-18-01 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2022-18- 01, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-07 · published Aug 27, 2025, effective Oct 1, 2025
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A318-111, -112, -121, and -122 airplanes; A319-111, -112, -113, -114, -115, -131, -132, -133, -151N, -153N, and - 171N airplanes; A320-211, -212, -214, -216, -231, -232, -233, -251N, - 252N, -253N, -271N, -272N, and -273N airplanes; and A321-111, -112, - 131, -211, -212, -213, -231, -232, -251N, -252N, -253N, -271N, -272N, - 251NX, -252NX, -253NX, -253NY, -271NX, and -272NX airplanes. This AD was prompted by a determination that new airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-15 · published Aug 27, 2025, effective Sep 11, 2025
ATR-GIE Avions de Transport Régional Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain ATR--GIE Avions de Transport R[eacute]gional Model ATR42-500 and ATR72-212A airplanes. This AD was prompted by a finding that dispatch with a failed main hydraulic pump under the provisions of a certain master minimum equipment list (MMEL) item, combined with failure of the DC EMER BUS, could lead to failure of multiple system losses. This AD requires revising the existing minimum equipment list (MEL) to incorporate new provisions to ensure appropriate actions are taken when the airplane is dispatched with one inoperative main hydraulic pump. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-08 · published Aug 18, 2025, effective Sep 22, 2025
Airbus Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model EC 130 B4 and EC 130 T2 helicopters. This AD was prompted by the determination that fatigue cracks may develop at the root section of certain tail rotor blades (TRBs). This AD requires inspecting those TRBs and, depending on the results, replacing the TRB with a serviceable TRB. This AD also prohibits installing those TRBs unless certain actions are accomplished. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-02 · published Aug 22, 2025, effective Sep 26, 2025
Airbus Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model EC120B, EC 130 B4, and EC 130 T2 helicopters. This AD was prompted by a report of a missing retaining ring between the supply hose and the central supply coupling of an emergency flotation system (EFS) inflation assembly. This AD requires inspecting for the presence of the retaining ring in an EFS with certain inflation assemblies installed and, depending on the results, taking corrective action. This AD also prohibits installing an EFS with those inflation assemblies installed. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-03 · published Aug 22, 2025, effective Sep 8, 2025
Airbus Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model AS332L, AS 332L1, AS 332L2, and EC 225LP helicopters. This AD was prompted by a report of a corroded emergency sea anchor pin. This AD requires inspecting the emergency sea anchor and, depending on the result, replacing the emergency sea anchor. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-17-10 · published Aug 25, 2025, effective Sep 9, 2025
Leonardo S.p.A. Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.A. Model A109A, A109A II, A109C, A109K2, and A119 helicopters and certain AW119 MKII helicopters. This AD was prompted by a report of incorrect installation of the bolts that attach the pitch (longitudinal) actuator assembly and the roll (lateral) actuator assembly to their respective bellcrank assemblies of the cyclic control system. This AD requires inspecting the bolts for proper installation and, depending on the results, performing corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-15-02 · published Aug 20, 2025, effective Sep 24, 2025
Siam Hiller Holdings, Inc.
The FAA is adopting a new airworthiness directive (AD) for certain Siam Hiller Holdings, Inc. (Siam Hiller), Model UH-12E (Army OH-23G and H-23F) and UH-12E-L helicopters. This AD was prompted by reports of cracks found in a main rotor (M/R) transmission drive shaft (drive shaft). This AD requires inspecting certain M/R drive shafts for a crack, prohibits installing certain M/R drive shafts unless the inspection is done, and prohibits using certain paint strippers. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2025-16-09 · published Aug 18, 2025, effective Sep 22, 2025
Various Airplanes
The FAA is adopting a new airworthiness directive (AD) for all airplanes with certain Pacific Scientific Company rotary buckle assemblies (buckles) installed. This AD was prompted by a report of a manufacturing defect in the screws used inside the buckle. This AD requires inspecting the buckle screws, and depending on the results, reidentifying the buckle, replacing the screws and reidentifying the buckle, or replacing the buckle. This AD also allows optionally prohibiting use of the seat until the actions required by this AD are accomplished. This AD also prohibits installing certain buckles on any airplane. The FAA is issuing this AD to address the unsafe condition on these products.
