Results
2008-08-23: We are adopting a new airworthiness directive (AD) for all Boeing Model 737-200C series airplanes. This AD requires revising the FAA-approved maintenance inspection program to include inspections that will give no less than the required damage tolerance rating for each structural significant item (SSI), doing repetitive inspections to detect cracks of all SSIs, and repairing cracked structure. This AD results from a report of incidents involving fatigue cracking in transport category airplanes that are approaching or have exceeded their design service objective. We are issuing this AD to maintain the continued structural integrity of the entire fleet of Model 737-200C series airplanes.
2008-08-19: We are adopting a new airworthiness directive (AD) for the products listed above. 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: Possible chafing between [the] electrical feeder cable connected to contactor 123P/2 and ground point 803GND, installed within the left DC power box, discovered during routine receiving inspection. This condition may exist on boxes installed on in-service aircraft. If this chafing condition is left unattended, an electrical short may develop, leading to disconnection of the battery and battery bus from the electrical system of the aircraft, [which could result in] overheating, arcing, smoke and fire. We are issuing this AD to require actions to correct the unsafe condition on these products.
2023-25-05: The FAA is superseding Airworthiness Directive (AD) 2022-07- 15, which applied to all Airbus SAS Model A318, A319, A320, and A321 series airplanes. AD 2022-07-15 required replacing affected braking and steering control units (BSCUs) and revising the operator's existing FAA-approved minimum equipment list (MEL). This AD was prompted by a determination that a type 1 relay combined with an affected BSCU would induce BSCU freezing. This AD removes certain airplanes from the applicability, retains the requirements of AD 2022-07-15, requires an inspection for the relay type installed and replacement of type 1 relays with type 2 relays, limits the installation of affected BSCUs on certain airplanes and prohibits the installation of affected BSCUs for certain other airplanes 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.
2008-08-26: We are adopting a new airworthiness directive (AD) for all Boeing Model 767 airplanes. This AD requires a one-time inspection to determine the material of the forward and aft gray water drain masts. For airplanes having composite gray water drain masts, this AD also requires installation of a ground bracket and a bonding jumper between a ground bracket and the clamp on the tube of the forward and aft gray water composite drain masts. This AD results from a report of charred insulation blankets and burned wires around the forward gray water composite drain mast found during an inspection of the forward cargo compartment. We are issuing this AD to prevent a fire near a composite drain mast and possible disruption of the electrical power system caused by a lightning strike on a composite drain mast, which could result in the loss of several functions essential for safe flight.
2023-25-15: The FAA is superseding Airworthiness Directive (AD) 2020-24- 12, which applied to certain Airbus SAS Model A350-941 airplanes. AD 2020-24-12 required replacing certain center wing box (CWB) fasteners with fasteners having improved friction efficiency. This AD was prompted by reports that certain CWB fasteners had rotated inside the fastener holes due to insufficient friction for the application, and by the determination that additional work is necessary to ensure the correct application of the fuel vapor barrier structure paint on the outside of the CWB. This AD continues to require the actions in AD 2020-24-12; and requires the additional work; as specified in 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.
2008-08-18: We are adopting a new airworthiness directive (AD) for the products listed above. 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: [L]eakage of hot wing anti-icing air from the Peri-seal housing. This results in an uncontrolled flow of high-pressure hot air to enter the forward (anti-icing) plenum chamber of the wing leading edge, potentially damaging the anti-icing barrier webs. Subsequently, the wing auxiliary spar can also be damaged by high- pressure hot air. * * * [D]eterioration of the Peri-seals enables the piccolo tubes to vibrate, resulting in a broken piccolo tube. * * * This condition, if not corrected, may cause heat damage to the front spar that potentially affects the wing's load capability. We are issuing this AD to require actions to correct the unsafe condition on these products.
2008-08-17: The FAA is adopting a new airworthiness directive (AD) for certain Kelly Aerospace Power Systems turbochargers. This AD requires a onetime visual inspection of suspect turbochargers for an excessive gap between the turbocharger turbine housing flange and the exhaust tube flange, and replacement of turbochargers that fail the gap inspection. This AD results from two reports of exhaust leakage occurring between the turbocharger turbine housing flange and the exhaust tube flange due to machining defects of the turbocharger turbine housing flange. We are issuing this AD to prevent hazardous amounts of carbon monoxide from entering the cabin, an increase in under-cowl temperatures hampering engine and accessory function, and loss of tailpipe retention, which could lead to an in-flight fire and loss of control of the airplane.
2023-25-03: The FAA is adopting a new airworthiness directive (AD) for certain Piaggio Aviation S.p.A. (Piaggio) Model P-180 airplanes. This AD is prompted by a report of corrosion on the various aluminum alloy reinforcements in the horizontal stabilizer (HS) central box caused by a humid environment inside the box from water ingress and/or condensation. This AD requires a one-time detailed inspection of the HS central box for corrosion; an assessment of the corrosion level; and depending on the determination, repetitive detailed inspections of the HS central box for corrosion and the internal composite structure for surface cracks, distortion, and damage; and repair or replacement of the HS assembly. Repair or replacement of the HS assembly is terminating action for the repetitive inspections. The FAA is issuing this AD to address the unsafe condition on these products.
2023-22-09: The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A350-941 airplanes. This AD was prompted by a report that the axis index washers on the forward and rear main landing gear door hinges were found inverted in production. This AD requires a one-time detailed inspection of the axis index washers for correct installation, and, depending on findings, replacement of the axis index washers, 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.
2008-06-07: The FAA is superseding an existing airworthiness directive (AD), which applies to all Airbus Model A330-200, A330-300, A340-200, and A340-300 series airplanes. That AD currently requires an accelerated schedule of repetitive testing of the elevator servo control loops, and corrective actions if necessary. This new AD retains the existing requirements, reduces the applicability of the existing AD, and adds terminating actions. This AD results from reports of failed elevator servo controls due to broken guides. We are issuing this AD to prevent failure of the elevator servo controls during certain phases of takeoff, which could result in an unannounced loss of elevator control and consequent reduced controllability of the airplane.
2008-06-52: This document publishes in the Federal Register an amendment adopting emergency airworthiness directive (AD) 2008-06-52 that was sent previously to all known U.S. owners and operators of certain TAE Model TAE 125-02-99 engines. This AD requires, before further flight, replacing the high-pressure fuel line and installing a high-pressure fuel line support. This AD results from reports of in-flight engine shutdown incidents on airplanes equipped with TAE 125-02-99 engines. We are issuing this AD to prevent an in-flight engine shutdown or engine fire due to a cracked fuel line.
2023-24-06: The FAA is superseding Airworthiness Directive (AD) 2021-25-04 for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Model Trent 1000 engines. AD 2021-25-04 required operators to revise the airworthiness limitations section (ALS) of their existing approved continuous airworthiness maintenance program by incorporating the revised tasks of the applicable time limits manual (TLM) for each affected model turbofan engine. Since the FAA issued AD 2021-05-04, the manufacturer revised the TLM to introduce new or more restrictive tasks and limitations and associated thresholds and intervals for life-limited parts, which prompted this AD. This AD requires revising the ALS of the operator's existing approved engine maintenance or inspection program, as applicable, to incorporate new or more restrictive tasks and limitations and associated thresholds and intervals for life-limited parts, 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.
2008-08-06: The FAA is superseding an existing airworthiness directive (AD) that applies to all Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes and Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), and CL-600-2B16 (CL-601-3A, CL-601-3R, and CL-604) series airplanes. The existing AD currently requires revising the airplane flight manuals (AFMs) to include a new cold weather operations limitation. This AD requires revising the AFMs to modify the cold weather operations limitation and include additional limitations and procedures. This AD results from reports of uncommanded roll during take-off. We are issuing this AD to prevent possible loss of control on take-off resulting from even small amounts of frost, ice, snow, or slush on the wing leading edges or forward upper wing surfaces. DATES: This AD becomes effective April 21, 2008. The Director of the Federal Register approved the incorporation by reference of certain publications listed in the AD as of April21, 2008. On February 22, 2005 (70 FR 8025, February 17, 2005), the Director of the Federal Register approved the incorporation by reference of certain other publications. We must receive any comments on this AD by May 14, 2008.
2023-24-01: 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 a reported interference between the pilot valve fittings and their mating holes in the rear spar of the center wing box (CWB). This AD requires replacing the pilot valve fittings, as specified in a Transport Canada AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
2008-08-12: We are adopting a new airworthiness directive (AD) for all Boeing Model 757 airplanes. This AD requires repetitive inspections of the anchor tab of the bulkhead seal assemblies of the wing thermal anti-ice (TAI) system for cracks at certain outboard stations of the left and right wings, and corrective action if necessary. This AD also provides optional terminating action for the repetitive inspections. This AD results from reports of cracks found at the anchor tab of the bulkhead seal assemblies of the wing TAI system. In one incident, the anchor tab and bulkhead seal assembly had separated because of the cracks. We are issuing this AD to prevent failure of the anchor tab of the bulkhead seal assembly, which in icing conditions could result in insufficient airflow to the wing TAI system, subsequent ice on the wings, and consequent reduced controllability of the airplane.
2023-22-17: The FAA is adopting a new airworthiness directive (AD) for all Viking Air Limited (type certificate previously held by Bombardier Inc. and de Havilland, Inc.) (Viking) Model DHC-3 airplanes. This AD was prompted by a report of cracking in the left-hand side (LHS) and right- hand side (RHS) lower engine mount pickup fittings. This AD requires a one-time inspection of the affected parts for cracking, deformation, corrosion, fretting or wear, paint or surface coating damage, and loose, missing, or broken fasteners, and applicable corrective actions. This AD also requires reporting the inspection results. The FAA is issuing this AD to address the unsafe condition on these products.
2008-08-10: We are adopting a new airworthiness directive (AD) for all Boeing Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. For certain airplanes, this AD requires replacing the outboard stabilizing fitting and certain adjacent components of the main landing gear (MLG) support beam. This AD also requires repetitive inspections for discrepancies of the outboard stabilizing fitting, walking beam hanger, and rear spar attachment, and corrective actions if necessary. For certain airplanes, this AD provides an alternative one-time inspection of the outboard stabilizing fitting for discrepancies, and corrective actions if necessary, which would extend the compliance time for the replacement of the outboard stabilizing fitting. For certain other airplanes, this AD also requires performing a torque check of the aft pin of the outboard stabilizing fitting, and corrective actions if necessary. This AD results from reports of findings of fatigue cracking of the outboard stabilizing fitting and stress corrosion cracking of the bolts attaching the fitting to the wing rear spar. We are issuing this AD to detect and correct that cracking, which could result in disconnection of the MLG actuator from the rear spar and support beam, consequent damage to the hydraulic system, and possible loss of the "A'' and "B'' hydraulic systems and damage or jamming of the flight control cables. Damage or jamming of the flight control cables could result in loss of control of the airplane.
2023-24-09: The FAA is adopting a new airworthiness directive (AD) for all Safran Helicopter Engines, S.A. (Safran) (type certificate previously held by Turbomeca S.A.) Model Arrius 2R engines. This AD is prompted by reports of inconsistencies between the torque (TQ) and measured gas temperature (MGT) conformation values recorded in the avionics and the TQ and MGT conformation values recorded on the engine log cards following replacement of the M01 and M02 modules installed on the engine. This AD requires a one-time check of the consistency between the TQ and MGT conformation values recorded in the avionics and the values recorded on the engine log cards, and, if necessary, recalibrating the values and updating the engine logs, 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.
2008-06-28: The FAA is adopting a new airworthiness directive (AD) for certain Avidyne Corporation (Avidyne) Primary Flight Displays (PFDs) (Part Numbers (P/Ns) 700-00006-000, -001, -002, -003, and -100) that are installed on airplanes. This AD requires a check of the maintenance records and inspection of the PFD (if necessary) to determine if an affected serial number PFD is installed. If an affected serial number PFD is installed, this AD requires you to incorporate information that limits operation when certain conditions for the PFD or backup instruments exist. This AD results from several field reports of PFDs displaying incorrect altitude and airspeed information. We are issuing this AD to prevent certain conditions from existing when PFDs display incorrect attitude, altitude, and airspeed information. This could result in airspeed/altitude mismanagement or spatial disorientation of the pilot with consequent loss of airplane control, inadequate traffic separation, or controlled flight into terrain.
2023-23-04: The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes. This AD was prompted by stress analysis results indicating that cracks may appear in the center wing box at frame 42 and slanted junction areas. This AD requires a one-time inspection of the center wing box at frame 42 and slanted junction areas, and applicable corrective actions, if necessary, 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.
2023-23-07: The FAA is adopting a new airworthiness directive (AD) for all Deutsche Aircraft GmbH Model 328-100 and 328-300 airplanes. This AD was prompted by a manufacturer's design review, which identified a potential risk of the rudder control rod buckling during operation with one engine inoperative during take-off and landing phases. This AD requires visually inspecting the rudder control rod, performing a one- time functional check of the rudder control rod, performing corrective actions if necessary, and reporting the inspection results, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD also limits the installation of affected parts under certain conditions. The FAA is issuing this AD to address the unsafe condition on these products.
2023-23-12: The FAA is adopting a new airworthiness directive (AD) for all CFM International, S.A. (CFM) Model LEAP-1B21, LEAP-1B23, LEAP-1B25, LEAP-1B27, LEAP-1B28, LEAP-1B28B1, LEAP-1B28B2, LEAP-1B28B2C, LEAP- 1B28B3, LEAP-1B28BBJ1, and LEAP-1B28BBJ2 (LEAP-1B) engines. This AD was prompted by a manufacturer investigation that revealed that certain high-pressure turbine (HPT) rotor stage 1 disks (HPT stage 1 disks) and a certain compressor rotor stages 6-10 spool were manufactured from material suspected to have reduced material properties due to iron inclusion. This AD requires replacing certain HPT stage 1 disks and a certain compressor rotor stages 6-10 spool. The FAA is issuing this AD to address the unsafe condition on these products.
2010-26-05R1: The FAA is removing Airworthiness Directive (AD) 2010-26-05, which applied to certain Dassault Aviation Model Falcon 10 airplanes; Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G airplanes; Model MYSTERE-FALCON 20-C5, 20-D5, 20-E5, and 20-F5 airplanes; and all Model MYSTERE-FALCON 200 airplanes; Model FALCON 2000 and FALCON 2000EX airplanes; Model MYSTERE-FALCON 50 and MYSTERE- FALCON 900 airplanes; and Model FALCON 900EX airplanes. AD 2010-26-05 required repetitive inspections for overpressure tightness on the pressurization control regulating valves and, if necessary, replacing the affected valve with a serviceable unit. The FAA issued AD 2010-26- 05 to address failure of the pressurization control regulating valve (overpressure capsule), which will affect the aircraft's overpressure protection. Since the FAA issued AD 2010-26-05, the FAA issued ADs 2021-04-20, 2020-02-13, 2020-03-24, 2020-03-19, 2020-01-13, 2023-05-15, 2023-04-10, 2023-02-13, 2023-04-18, and 2023-04-13 to address the unsafe condition. Therefore, the FAA has determined that AD 2010-26-05 is no longer necessary. Accordingly, AD 2010-26-05 is removed.
2008-07-03: We are adopting a new airworthiness directive (AD) for the products listed above. 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: Subsequent to accidents involving Fuel Tank System explosions in flight * * * and on [the] ground, the FAA has published Special Federal Aviation Regulation No. 88 (SFAR-88) in June 2001 [which] required [conducting] a design review against explosion risks. * * * * * The potential of ignition sources (in certain fuel pumps, fuel switches, refuel shutoff valves, and optical sensors/mechanical switches), in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane. We are issuing this AD to require actions to correct the unsafe condition on these products.
2008-07-06: We are adopting a new airworthiness directive (AD) for the products listed above. This 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: This AD is prompted by reports of loosening rivets securing the threaded inserts in the ends of the aileron control pushrods P/N 08- 24015-1. Aileron push-pull rods P/N 08-24015-1 have been installed on aircraft embodying PAC/FU/0340. We are issuing this AD to require actions to correct the unsafe condition on these products.