24 Airworthiness Directives: 12 airplane, 2 rotorcraft, 7 engine, 1 propeller, 1 glider, 1 various.
AD 2023-17-01 · published Sep 14, 2023, effective Oct 19, 2023
ATR-GIE Avions de Transport Régional Airplanes
The FAA is adopting a new airworthiness directive (AD) for all ATR--GIE Avions de Transport R[eacute]gional Model ATR42 and ATR72 airplanes. This AD was prompted by a determination that some batches of nose landing gear (NLG) drag brace panels (DBP) having certain part numbers were affected by a quality deficiency that was not detected in production. This AD requires a measurement of the affected part and, depending on findings, accomplishment of applicable corrective actions, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD also prohibits the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-02 · published Sep 14, 2023, effective Oct 19, 2023
Saab AB, Support and Services (Formerly Known as Saab AB, Saab Aeronautics) Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Saab AB, Support and Services Model 340A (SAAB/SF340A) and SAAB 340B airplanes. This AD was prompted by reports of a high number of events related to stall warnings upon landing, following introduction of the ice speed function within the stall warning system. This AD requires modification of the stall warning/identification system, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-03 · published Sep 14, 2023, effective Oct 19, 2023
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A330-200 series airplanes, Model A330-200 Freighter series airplanes, Model A330-300 series airplanes, Model A340-200 series airplanes, and Model A340-300 series airplanes. This AD was prompted by a report that certain overheat detection system (OHDS) sensing elements, produced before January 31, 2021, may not properly detect thermal bleed leak events due to a quality escape during the manufacturing process. This AD requires a one-time special detailed inspection (SDI) for discrepancies of each affected part installed at an affected position, and replacement of discrepant parts, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD would also prohibit the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-06 · published Sep 14, 2023, effective Oct 19, 2023
Bombardier, Inc., Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model CL-600-1A11 (600), CL-600-2A12 (601), and CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes. This AD was prompted by an uncommanded flap extension accompanied by a flaps fail caution message during climb. This AD requires initial and repetitive operational tests of the flap control system. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-18-02 · published Sep 19, 2023, effective Oct 24, 2023
Airbus SAS Airplanes
The FAA is superseding Airworthiness Directive (AD) 2020-06- 10, which applied to certain Airbus SAS Model A318 series airplanes; Model A319-111, -112, -113, -114, -115, -131, -132, and -133 airplanes; Model A320-211, -212, -214, -216, -231, -232, and -233 airplanes; and Model A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes. AD 2020-06-10 required repetitive inspections for cracking of the vertical stiffeners of the left- and right-hand sides of the window frames and corrective actions if necessary. Since the FAA issued AD 2020-06-10, it was determined that certain compliance times need to be reduced. This AD retains the requirements of AD 2020-06-10, with amended compliance times, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-18-03 · published Sep 19, 2023, effective Oct 24, 2023
Viking Air Limited (Type Certificated Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Viking Air Limited (Viking) (type certificate previously held by Bombardier Inc. and de Havilland, Inc.) Model DHC-3 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) originated 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 corrosion, wear, and fatigue-related degradation in aging aircraft. This AD requires incorporating into the existing maintenance records for your airplane the actions and associated thresholds and intervals, including life limits, specified in a supplemental inspection and corrosion control manual for Model DHC-3 airplanes. This AD also requires completing all the initial tasks identified in this manual and reporting corrosion findings to Viking. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-10 · published Sep 21, 2023, effective Oct 26, 2023
Vulcanair S.p.A. Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Vulcanair S.p.A. Model V1.0 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI identifies the unsafe condition as corrosion on the lower fuselage truss. This AD requires a detailed visual inspection of the right-hand (RH) and left-hand (LH) lower rear attachments of the fuselage truss for corrosion, a tactile inspection of the lower rear attachments for missing sealant, and a general visual inspection of the lower fuselage truss welded pipes for corrosion and the related rivets for missing stems and, depending on findings, additional inspections and actions (including a tap test) and applicable corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-13-05 · published Sep 22, 2023, effective Oct 27, 2023
The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by a report indicating fuselage skin lap splice cracking was found between stations (STA) 767 and STA 787, just below S-14R fuselage skin lap splice, where a lower skin panel buckle intersected the upper skin of the lap splice. Cracking was also found just below S-14R between STA 747 and STA 767. This AD requires an inspection for any repair at certain skin lap splices at S- 4, S-14, and S-24 and depending on the configuration, repetitive inspections for buckling, wrinkling, or bulging at affected skin lap splices and repair, repetitive inspections for cracking at affected locations common to fuselage skin on the left and right sides and repair, and alternative inspections and on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-19-04 · published Sep 22, 2023, effective Oct 10, 2023
Aircraft Industries, a.s. Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Aircraft Industries, a.s. Model L-420, L 410 UVP-E20, and L 410 UVP-E20 CARGO airplanes. This AD was prompted by reports of the pressure plates within the main landing gear (MLG) wheel brake unit malfunctioning. This AD requires replacing certain MLG wheel brake units with serviceable parts and prohibits installing an affected part on any airplane. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-19-01 · published Sep 25, 2023, effective Oct 30, 2023
Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A330-200 series; A330-200 Freighter series; A330-300 series; A330-800 series; A330-900 series; A340-200 series; and A340-300 series airplanes. This AD was prompted by reports of cracks found in the scroll housing assembly of Honeywell GTCP331-350 auxiliary power units (APUs). This AD requires replacing each affected APU or re- identifying certain APU scroll housing assemblies, and prohibits the installation of affected parts under certain conditions, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-18-07 · published Sep 28, 2023, effective Nov 2, 2023
Dassault Aviation Airplanes
The FAA is superseding Airworthiness Directive (AD) 2020-03- 19, which applied to certain Dassault Aviation Model MYSTERE-FALCON 20- C5, 20-D5, 20-E5, and 20-F5 airplanes. AD 2020-03-19 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. This AD continues to require the actions in AD 2020-03-19 and requires revising the existing maintenance or inspection program, as applicable, to incorporate additional new or more restrictive airworthiness limitations; as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-18-09 · published Sep 28, 2023, effective Nov 2, 2023
Dassault Aviation Airplanes
The FAA is superseding Airworthiness Directive (AD) 2023-04- 16, which applied to certain Dassault Aviation Model FALCON 900EX airplanes. AD 2023-04-16 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2023-04- 16, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This AD continues to require the actions in AD 2023-04-16, and also requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-51 · published Sep 6, 2023, effective Sep 21, 2023
Bell Textron Canada Limited Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Bell Textron Canada Limited Model 407 helicopters. The FAA previously sent this AD as an emergency AD to all known U.S. owners and operators of these helicopters. This AD was prompted by a report of a disbonded area in a tail rotor (T/R) blade. This AD requires determining if an affected T/R blade is installed, inspecting each of those T/R blades and, depending on the results, replacing the T/R blade as specified in a Transport Canada emergency AD, which is incorporated by reference. This AD also limits the installation of T/R blades to certain T/R blades. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-07 · published Sep 27, 2023, effective Nov 1, 2023
Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model A119 and AW119 MKII helicopters. This AD was prompted by a report of an electrical failure of a starter-generator caused by a ruptured drive shaft. This AD requires visually inspecting the drive shaft of an affected starter-generator and depending on the results, performing a dye penetrant inspection. Depending on the results of the dye penetrant inspection, this AD requires replacing the starter-generator, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-11 · published Sep 5, 2023, effective Sep 20, 2023
Rolls-Royce Deutschland Ltd & Co KG Engines
The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) Model BR700-715A1-30, BR700- 715B1-30, and BR700-715C1-30 engines. This AD was prompted by reports of malformed scallop edge geometry and surface conditions at the front flange scallops of affected low-pressure compressor (LPC) booster rotors. This AD requires repetitive fluorescent penetrant inspections (FPIs) of the front flange scallops of the LPC booster rotor for any cracks, replacement or repair of the LPC booster rotor if necessary and, as an optional terminating action to the repetitive FPIs, a visual inspection for malformed scallop edge geometry and malformed surface conditions, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-18-04 · published Sep 14, 2023, effective Oct 19, 2023
General Electric Company Engines
The FAA is adopting a new airworthiness directive (AD) for certain General Electric Company (GE) Model CF6-80E1A2, CF6-80E1A3, CF6-80E1A4, and CF6-80E1A4/B engines. This AD was prompted by a manufacturer investigation that revealed that a certain forward outer seal and certain high-pressure turbine rotor (HPTR) stage 1 disks and rotating seals were manufactured from material suspected to contain iron inclusion, which may cause reduced material properties and a lower fatigue life capability. This AD requires the replacement of the affected forward outer seal, HPTR stage 1 disks, and rotating seals. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-08 · published Sep 18, 2023, effective Oct 23, 2023
General Electric Company Engines
The FAA is adopting a new airworthiness directive (AD) for certain General Electric Company (GE) Model GEnx-1B and GEnx-2B engines. This AD was prompted by a manufacturer investigation that revealed that certain stages 6-10 compressor rotor spools and forward seals were manufactured from powder metal material suspected to contain iron inclusion. This AD requires the replacement of the affected stages 6-10 compressor rotor spools and forward seals. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-04 · published Sep 21, 2023, effective Oct 26, 2023
Continental Aerospace Technologies, Inc. Engines
The FAA is superseding Airworthiness Directive (AD) 2022-04-04 for certain Continental Aerospace Technologies, Inc. (Continental) Model C-125, C145, IO-360, IO-470, IO-550, O-300, O-470, TSIO-360, and TSIO-520 series engines and certain Continental Motors IO-520 series engines with a certain oil filter adapter installed. AD 2022-04-04 required replacing the oil filter adapter fiber gasket (fiber gasket) with an oil filter adapter copper gasket (copper gasket). This AD was prompted by reports of two accidents that were the result of power loss due to oil starvation. This AD requires replacing the fiber gasket with a copper gasket or a stainless steel embedded within polytetrafluoroethylene gasket (stainless steel PTFE gasket). This AD also revises the applicability to include Continental model engines equipped with an F&M Enterprises, Inc. (F&M) or a Stratus Tool Technologies, LLC (Stratus) oil filter adapter installed. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-12 · published Sep 21, 2023, effective Oct 26, 2023
Rolls-Royce Deutschland Ltd. & Co. KG Engines
The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd. & Co. KG (RRD) Model RB211 Trent 768-60, 772-60, and 772B-60 engines. This AD was prompted by reports of cracks on affected intermediate-pressure compressor (IPC) rotor shaft balance lands. This AD requires repetitive on-wing or in-shop borescope inspections (BSIs) of the affected IPC rotor shaft balance land for cracks and replacement of any IPC rotor shaft if necessary and prohibits the installation of an affected IPC rotor shaft on any engine, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-18-01 · published Sep 25, 2023, effective Oct 30, 2023
Rolls-Royce Deutschland Ltd. & Co. KG Engines
The FAA is superseding Airworthiness Directive (AD) 2021-26-11 for all Rolls-Royce Deutschland Ltd. & Co. KG (RRD) Model RB211-Trent 875-17, 877-17, 884-17, 884B-17, 892-17, 892B-17, and 895-17 engines. AD 2021-26-11 required replacing the affected fuel pump on at least one affected engine. Since the FAA issued AD 2021-26-11, the FAA has determined that replacing all affected fuel pumps on all installed engines is necessary to address the unsafe condition. This AD was prompted by reports of single-engine events caused by water contamination, which led to corrosion on the fuel pump that resulted in loss of engine thrust. This AD requires replacing the affected fuel pump on at least one engine before further flight and replacing all affected fuel pumps within a specified compliance time. This AD would also prohibit installing any affected engine onto any airplane or any affected fuel pump onto any engine, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-18-05 · published Sep 25, 2023, effective Oct 30, 2023
Rolls-Royce Deutschland Ltd & Co KG Engines
The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) Model RB211-535C-37 engines. This AD is prompted by the manufacturer revising the existing engine time limits manual (TLM) to introduce new or more restrictive airworthiness limitations and associated thresholds and intervals for life-limited parts. This AD requires revising the airworthiness limitations section (ALS) of the operator's existing approved engine maintenance or inspection program, as applicable, to incorporate new or more restrictive instructions and associated thresholds and intervals for life-limited parts, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-16-06 · published Sep 15, 2023, effective Oct 20, 2023
Hamilton Sundstrand Corporation Propellers
The FAA is adopting a new airworthiness directive (AD) for all Hamilton Sundstrand Corporation (Hamilton Sundstrand) Model 14SF-17 and 14SF-19 propellers. This AD was prompted by a report of an auxiliary motor and pump failing to feather a propeller in flight. This AD requires replacement of a certain auxiliary motor and pump. This AD also prohibits installation of a certain auxiliary motor and pump on any propeller. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-05 · published Sep 7, 2023, effective Oct 12, 2023
Schempp-Hirth Flugzeugbau GmbH Gliders
The FAA is adopting a new airworthiness directive (AD) for all Schempp-Hirth Flugzeugbau GmbH (Schempp-Hirth) Model Ventus-2a and Ventus-2b gliders. This AD is prompted by reports of the uncommanded extraction of the airbrakes on one or both wings, possibly resulting in reduced control of the glider. This AD requires repetitively inspecting airbrake bell cranks and airbrake drive funnels for cracking, repetitively inspecting the clearance of the airbrake control system, and taking corrective action as necessary. This AD also requires modifying the airbrake system, which is terminating action for the repetitive inspections. The FAA is issuing this AD to address the unsafe condition on these products.
AD 2023-17-13 · published Sep 5, 2023, effective Sep 20, 2023
BRP-Rotax GmbH & Co KG (Formerly BRP-POWERTRAIN GMBH & CO KG and Bombardier-Rotax GmbH) Engines and Various Aircraft
The FAA is adopting a new airworthiness directive (AD) for all BRP-Rotax GmbH & Co KG (Rotax) Model 912 F2, 912 F3, 912 F4, 912 iSc2 Sport, 912 iSc3 Sport, 912 S2, 912 S3, 912 S4, 914 F2, 914 F3, and 914 F4 engines; and Model 912 A, 912 A2, and 912 A3 engines included as part of the type certificated aircraft type design for various aircraft. This AD was prompted by a report of surface abnormalities on the affected propeller shaft, which could lead to increased wear of the propeller shaft bearings. This AD requires initial and repetitive inspections of the magnetic plug for the accumulation of metal chips to assess the condition of the propeller gearbox for wear of the propeller shaft bearings and removal of the affected propeller shaft from service and replacement with a part eligible for installation as a terminating action either immediately or at a certain time depending on inspection findings. This AD also prohibits installation of the affected propeller shaft on any engine. The FAA is issuing this AD to address the unsafe condition on these products.
