Rule 10 Feb 2025 aviation, airworthiness directive, aviation safety, incorporation by reference, faa, safety, boeing, regulation, air transportation, aircraft maintenance, aircraft, compliance

✈️New Airworthiness Directive for Boeing 757 Aircraft Inspections

The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 757-200, -200CB, and -200PF series airplanes. This AD was prompted by a report indicating an operator has found cracks on three Model 757-200PF airplanes at the main deck cargo door cutout forward and aft hinge attachment holes. This AD requires a maintenance record check for repairs at the forward and aft hinge areas of the main deck cargo door cutout; repetitive open-hole high frequency eddy current (HFEC) inspections for cracks in the unrepaired areas of the bear strap, skin, doubler, and upper sill chord at the main deck cargo door forward and aft hinge attachment holes; and applicable corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.

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Rule 10 Feb 2025 aviation, aviation safety, incorporation by reference, safety, faa, boeing, air transportation, aircraft, regulations, compliance

✈️FAA Airworthiness Directive Requires Software Updates for Boeing Aircraft

The FAA is superseding Airworthiness Directive (AD) 2020-03- 20, which applied to certain The Boeing Company Model MD-11, MD-11F, and 717-200 airplanes; all Model 737-8 and 737-9 airplanes; all Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes; certain Model 747-400 and 747-400F series airplanes; certain Model 757 and 767 airplanes; and all Model 777 airplanes. AD 2020-03-20 required revising the existing airplane flight manual (AFM) to include a limitation to prohibit operations that require less than 0.3 required navigational performance (RNP) within a specified area for airplanes having a certain multimode receiver (MMR) with certain software installed. This AD was prompted by reports from Boeing of simultaneous MMR resets related to an error in calculating Coordinated Universal Time (UTC). This AD requires the actions in AD 2020-03-20, removes an airplane model from the applicability, and would also require installing certain MMR operational software (OPS). The FAA is issuing this AD to address the unsafe condition on these products.

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Proposed Rule 7 Feb 2025 safety, airworthiness, aircraft, air transportation, aviation safety, regulations, embraer s.a., compliance, aviation, faa, incorporation by reference

✈️Proposed Airworthiness Directive for Embraer Airplanes

The FAA proposes to supersede Airworthiness Directive (AD) 2020-12-12, which applies to all Embraer S.A. Model ERJ 170 airplanes and Model ERJ 190-100 STD, -100 LR, -100 ECJ, -100 IGW, -200 STD, -200 LR, and -200 IGW airplanes. AD 2020-12-12 requires repetitive detailed inspections for cracking of the engine inboard and outboard engine pylon lower link lugs, and repair if necessary. Since the FAA issued AD 2020-12-12, it was determined that certain compliance times must be reduced. This proposed AD would continue to require the actions in AD 2020-12-12, with revised compliance times, as specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) AD, which is proposed for incorporation by reference (IBR). The FAA is proposing this AD to address the unsafe condition on these products.

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Proposed Rule 6 Feb 2025 faa, airworthiness directive, safety, aviation safety, incorporation by reference, leonardo helicopters, helicopter safety, air transportation, regulations, aircraft

🚁FAA Proposes New Airworthiness Directive for Leonardo Helicopters

The FAA proposes to adopt a new airworthiness directive (AD) for all Leonardo S.p.a. Model A119 and AW119 MKII helicopters. This proposed AD was prompted by a report of an electrical failure of the starter-generator, due to a rupture of the drive shaft, which resulted in a partial loss of battery power. This proposed AD would require installing a battery discharge detector and revising the existing Rotorcraft Flight Manual (RFM) for the helicopter, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

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Proposed Rule 5 Feb 2025 aviation safety, safety, incorporation by reference, aviation, helicopters, airworthiness, faa, compliance, aircraft, regulation, air transportation

🚁Proposed Airworthiness Directive for Leonardo Helicopters by FAA

The FAA proposes to adopt a new airworthiness directive (AD) for certain Leonardo S.p.a. Model A109E, A109S, and AW109SP helicopters. This proposed AD was prompted by reports of incorrect installation of the motor (MTR) cables and the bonding braids connected to the engine fire extinguisher bottles. This proposed AD would require inspecting the cables and bonding braids installation and, depending on the results, accomplishing corrective action, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

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Rule 4 Feb 2025 compliance, regulations, aviation, safety, aircraft, aviation safety, incorporation by reference, air transportation, financial impact, maintenance, airworthiness

✈️FAA Issues Airworthiness Directive for Bombardier Airplanes

The FAA is superseding Airworthiness Directive (AD) 2021-10- 02, which applied to all Bombardier, Inc., Model BD-700-1A10 and BD- 700-1A11 airplanes. AD 2021-10-02 required repetitive general visual inspections of the left- and right-hand elevator torque tube bearings for any sand, dust, or corrosion; repetitive functional tests of the elevator control system; and replacement of the elevator torque tube bearings if necessary. This AD continues to require certain actions in AD 2021-10-02 and requires revising the existing maintenance or inspection program, as applicable, to incorporate a new airworthiness limitation. This AD was prompted by a determination that a new airworthiness limitation is necessary. The FAA is issuing this AD to address the unsafe condition on these products.

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Rule 4 Feb 2025 regulatory compliance, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness directive, embraer, structural integrity

✈️FAA Issues Airworthiness Directive for Embraer Airplanes

The FAA is adopting a new airworthiness directive (AD) for all Embraer S.A. Model EMB-135ER, -135KE, -135KL, and -135LR airplanes; and Model EMB-145, -145EP, -145ER, -145LR, -145MP, -145MR, and -145XR airplanes. This AD was prompted by a structural assessment that indicated certain central fuselage longitudinal splices are subjected to fatigue damage on multiple sites due to loose fasteners, which may reduce the structural residual strength below the required levels. This AD requires performing repetitive inspections of certain upper central fuselage longitudinal splices and reporting the inspection results, as specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) AD, which is incorporated by reference. This AD also requires performing corrective actions if necessary. The FAA is issuing this AD to address the unsafe condition on these products.

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Rule 4 Feb 2025 regulation, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness directive, britten-norman

🛩️New FAA Airworthiness Directive for Britten-Norman Airplanes

The FAA is adopting a new airworthiness directive (AD) for certain Britten-Norman Aerospace Ltd. Model BN-2, BN-2A, BN-2A-2, BN- 2A-3, BN-2A-6, BN-2A-8, BN-2A-9, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A- 27, BN-2B-20, BN-2B-21, BN-2B-26, BN-2B-27, BN-2T, BN2T-4R, and BN2T-4S airplanes; and certain Model BN2A MK. III, BN2A MK. III-2, and BN2A MK. III-3 airplanes. This AD was prompted by the determination that, in order to ensure the continued structural integrity of certain landing gear and associated components, it is necessary to require removal of these components from service prior to exceeding established fatigue lives. This AD requires determining the number of landings on affected main landing gears (MLGs), nose landing gears (NLGs), and associated components; removing from service any part that has reached or exceeded the established fatigue life and installing a replacement part; and prohibiting the installation of any affected part unless the number of landings for that part is below the established fatigue life. The FAA is issuing this AD to address the unsafe condition on these products.

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Proposed Rule 4 Feb 2025 compliance, regulations, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness, boeing

✈️FAA Withdraws Proposed Rule on Boeing Airworthiness Directives

The FAA is withdrawing a notice of proposed rulemaking (NPRM) that proposed to supersede Airworthiness Directive (AD) 2023-08-04, which applies to certain The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. The NPRM was prompted by reports of a loss of water pressure during flight and water leaks that affected multiple pieces of electronic equipment, and by the discovery that some clamshell couplings did not have the required safety strap. The NPRM would have required inspecting all door 1 and door 3 lavatory and galley potable water systems for missing or incorrectly installed clamshell couplings, inspecting all clamshell couplings for the presence and correct installation of safety straps at door 1 and door 3 lavatories and galleys with a potable water system, and performing applicable on- condition actions. The NPRM would have also prohibited the installation of affected parts at inspection locations and removed Model 787-10 airplanes from the applicability. Since issuance of the NPRM, the FAA has determined that the identified service information may not adequately address the unsafe condition on one of the galleys, and Model 787-10 airplanes should be included in the applicability. Accordingly, the NPRM is withdrawn.

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Rule 4 Feb 2025 compliance, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness directive, cfm international

✈️New Airworthiness Directive for CFM Engines by FAA

The FAA is adopting a new airworthiness directive (AD) for certain CFM International, S.A. (CFM) Model LEAP-1A and LEAP-1C engines. This AD was prompted by an investigation of an in-flight shut down event that revealed the aft arm of the high-pressure turbine (HPT) rotor interstage seal had failed. This AD requires removal from service and replacement of the HPT rotor interstage seal for LEAP-1A engines. Since the HPT rotor interstage seal part number is interchangeable between LEAP-1A and LEAP-1C engines, this AD also prohibits installation of these affected parts onto any LEAP-1A or LEAP-1C engine. The FAA is issuing this AD to address the unsafe condition on these products.

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