Results
2004-03-13: This amendment supersedes an existing airworthiness directive (AD), applicable to certain Bombardier Model CL-215-1A10 and CL-215- 6B11 series airplanes, that currently requires repetitive inspections to detect cracking of main landing gear (MLG) axles that have been reworked by chromium plating, and replacement of cracked axles with serviceable axles. This amendment requires a dimensional check and follow-on corrective actions, mandates terminating action for certain airplanes, and adds three airplanes to the applicability in the existing AD. The actions specified by this AD are intended to prevent cracking of the inner bearing surface of the MLG axles, which could result in failure of an axle, subsequent separation of the wheel from the airplane, and consequent reduced controllability of the airplane during takeoff or landing. This action is intended to address the identified unsafe condition.
2021-02-12: 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 A330-900 series airplanes, Model A340-200 series airplanes, Model A340-300 series airplanes, Model A340-500 series airplanes, Model A340-600 series airplanes, Model A380-800 series airplanes; and Model A350-941 and -1041 airplanes. This AD was prompted by a report of a quality issue with a certain repair method of damage-through honeycomb core cargo linings by speed patches applied to both sides. This AD requires repair of each affected part, or replacement with a serviceable part, 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.
2004-03-20: This amendment adopts a new airworthiness directive (AD), applicable to certain Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 series airplanes, that requires repetitive general visual inspections, lubrication, and tests of the release mechanism for the service/emergency door; and corrective actions if necessary. This AD also provides an optional terminating action for the repetitive inspections and lubrication. This action is necessary to prevent failure of the release mechanism on the service/emergency door, which could result in the inability to open the service/emergency door during an emergency evacuation. This action is intended to address the identified unsafe condition.
98-03-12: This amendment adopts a new airworthiness directive (AD), applicable to all Dornier Model 328-100 series airplanes, that requires a one-time inspection of the date stamp affixed to the wing deicing boots to determine the cure date, and replacement of the deicing boot with a new boot, if necessary. This amendment is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to prevent delamination of the wing deicing boots, and resultant inflation of the deicing boots to a distorted aerodynamic shape during flight, which could result in reduced controllability of the airplane.
95-26-18: This amendment adopts a new airworthiness directive (AD) that applies to certain Maule Aerospace Technology (Maule) M-4, M-5, M-6, M-7, MX-7, MXT-7 series and Models MT-7-235, and M-8-235 airplanes. This action requires a one-time inspection of certain wing lift struts for internal corrosion and replacement of the struts if corrosion is detected. An accident involving a wing separating from a Maule airplane in flight prompted this action. The actions specified by this AD are intended to prevent corrosion of the wing lift strut, which, if not detected and corrected, could cause the wing to separate from the airplane.
98-21-18: This amendment adopts a new airworthiness directive (AD), applicable to certain Dornier Model 328-100 series airplanes that requires replacement of the de-icing system timer with a new, improved timer. This amendment is prompted by reports of possible overheating and debonding of the propeller blade due to a failure of the de-icing system timer and a dormant short circuit in the propeller de-icer system. The actions specified by this AD are intended to prevent such overheating and debonding of the propeller blade, which could result in reduced controllability of the airplane.
2010-12-01: We are adopting a new airworthiness directive (AD) to supersede AD 2009-24-13, which applies to certain Cessna Aircraft Company (Cessna) Model 525A airplanes. AD 2009-24-13 currently requires you to repetitively inspect the thrust attenuator paddle assemblies for loose and damaged fasteners and for cracks. AD 2009-24-13 also requires you to replace loose or damaged fasteners and replace cracked thrust attenuator paddles found during any inspection. Since we issued AD 2009-24-13, Cessna has developed new design thrust attenuator paddles and universal head rivets as terminating action for the repetitive inspections. Consequently, this AD would retain the requirements of AD 2009-24-13 until replacement of both thrust attenuator paddles and the eight countersunk fasteners with new design thrust attenuator paddles and universal head rivets. We are issuing this AD to detect and correct loose and damaged fasteners and cracks in the thrust attenuator paddles, which could result in in-flight departure of the thrust attenuator paddles. This failure could lead to rudder and elevator damage and result in loss of control.
2004-03-28: This amendment adopts a new airworthiness directive (AD), applicable to certain Bombardier Model DHC-8-102, -103, -106, -201, - 202, -301, -311, and -315 airplanes, that requires a one-time inspection to determine the serial numbers of the elevator and aileron servos of the drive assemblies of the automatic flight control system, and follow-on corrective actions if necessary. This action is necessary to prevent separation of the screws from the autopilot clutch assembly of the SM-300 servo, which could result in uncommanded engagement of the autopilot servo and consequent reduced controllability of the airplane. This action is intended to address the identified unsafe condition.
2010-14-14: We are superseding an existing 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 for EMBRAER Model ERJ 170 airplanes describes the unsafe condition as: It has been found the occurrence of an engine in-flight shutdown caused by the LPCV [low pressure check valves] failing to close due to excessive wear, which leads to the concern that such fault may be present in both engines of a given aircraft. * * * * * The MCAI for EMBRAER Model ERJ 190 airplanes describes the unsafe condition as: An occurrence of an uncommanded engine in-flight shutdown (IFSD) was reported * * *, which was caused by an ERJ 170 defective LPCV * * *. The valve failed to close due to excessive wear. Despite there were no IFSD related to LPCV * * * failure, some ERJ 190 valves * * * wereinspected and presented cracks due to low cycle fatigue. Since this failure mode also might lead to an engine in-flight shutdown and since both engines of the airplane have the same valves, there is a possibility of an occurrence of a dual engine IFSD due to LPCV failure. * * * * * We are issuing this AD to require actions to correct the unsafe condition on these products.
96-01-03: This amendment adopts a new airworthiness directive (AD) that is applicable to certain Boeing Model 747-100 and -200 series airplanes. This action requires a revision of the Airplane Flight Manual (AFM) and of the Airplane Weight and Balance Supplement to restrict the running load and maximum total payload to a suitable level. This amendment is prompted by a determination that these airplanes are incapable of carrying the currently certified payload limits due to the missing external structural doublers located forward of the surround structure of the main deck side cargo door, and deficiencies in the main deck floors. The actions specified in this AD are intended to prevent collapse of the aft fuselage due to inadequate strength in the airplane structure, and subsequent separation of the aft fuselage from the airplane.
2021-05-51: The FAA is adopting a new airworthiness directive (AD) for certain Pratt & Whitney Division (PW) PW4074, PW4074D, PW4077, PW4077D, PW4084D, PW4090, and PW4090-3 model turbofan engines. This AD was prompted by the in-flight failure of a 1st-stage low-pressure compressor (LPC) blade on a PW4077 model turbofan engine resulting in an engine fire during flight. This AD requires performing a thermal acoustic image (TAI) inspection for cracks in certain 1st-stage LPC blades and removal of those blades that fail inspection. The FAA previously sent an emergency AD to all known U.S. owners and operators of these engines and is now issuing this AD to address the unsafe condition on these products.
98-13-17: This amendment adopts a new airworthiness directive (AD), applicable to certain EMBRAER EMB-145 series airplanes, that requires modification of the windshield heating system in the flight compartment. This amendment is prompted by reports of overheating and delamination of the windshield because the windshield heating system failed to shut off during flight. The action specified by this AD is intended to prevent failure of the windshield heating system, which could result in reduced pilot visibility, structural degradation of the windshield, and depressurization of the airplane during flight.
2004-03-16: This amendment adopts a new airworthiness directive (AD), applicable to certain Dornier Model 328-300 series airplanes, that requires replacement of 3-switch and 4-switch overhead fire extinguisher control panels with new, improved panels. This action is necessary to prevent the inadvertent release of the fire switch pushbutton on the overhead fire extinguisher control panel with the switch guard closed, which could result in an uncommanded engine shutdown. This action is intended to address the identified unsafe condition.
95-25-10: This amendment adopts a new airworthiness directive (AD), applicable to certain Cessna Model 441, 500, 550, and 560 series airplanes, that requires replacement of outflow/safety valves with serviceable valves. This amendment is prompted by a report of cracking and subsequent failure of outflow safety valves in the pressurization system. The actions specified by this AD are intended to prevent such cracking and subsequent failure of the outflow/safety valves, which could result in rapid decompression of the airplane.
2004-03-22: This amendment adopts a new airworthiness directive (AD), applicable to certain Dassault Model Falcon 2000 series airplanes, that requires modification of the forward ribs of the left and right engine pylons to plug holes left open during production. This action is necessary to prevent fuel leakage into a "hot" section of the engine, and consequent propagation of an uncontained engine fire. This action is intended to address the identified unsafe condition.
98-20-04: This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A319, A320, and A321 series airplanes, that requires replacing certain toilet rinse valves with modified rinse valves. This amendment is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to prevent water contamination of the avionics computers, which could result in the display of erroneous or misleading information to the flightcrew, and consequent reduced controllability of the airplane.
2021-04-10: The FAA is adopting a new airworthiness directive (AD) for certain Textron Aviation Inc. (Textron) (type certificate previously held by Cessna Aircraft Company) Models 208 and 208B airplanes. This AD was prompted by reports of loose elevator torque tube attach fasteners. This AD requires repetitively inspecting the inboard and outboard elevator torque tube attachments for loose or incorrectly installed fasteners, replacing all fasteners if loose or incorrectly installed fasteners are found, and reporting the inspection results to the FAA. This AD also includes optional actions to terminate the repetitive inspections. The FAA is issuing this AD to address the unsafe condition on these products.
2010-15-01: We are adopting a new airworthiness directive (AD) for certain Model 757 airplanes, Model 767 airplanes, and Model 777-200 and -300 series airplanes. This AD requires repetitive inspections for damage of the electrical terminal at the left and right flightdeck window 1, and corrective actions if necessary. This AD also allows for replacing the flightdeck window 1 with a new improved flightdeck window equipped with different electrical connections, which terminates the repetitive inspections for that flightdeck window 1. This AD results from several reports of electrical arcs at the terminal blocks of the electrically heated flightdeck window 1. We are issuing this AD to prevent smoke and fire in the cockpit, which could lead to loss of visibility, and injuries to or incapacitation of the flightcrew.
2021-04-12: The FAA is adopting a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R66 helicopters. This AD was prompted by reports of tail rotor (T/R) drive shaft forward hanger bearing failures. This AD requires installing a certain part numbered kit and removing parts from service or replacing a certain part- numbered T/R drive shaft assembly. This AD also prohibits the installation of certain parts. The FAA is issuing this AD to address the unsafe condition on these products.
97-26-18: This amendment adopts a new airworthiness directive (AD) that is applicable to Eurocopter France Model SA-360C helicopters. This action requires replacement of the main gear box (MGB) input bevel pinion (bevel pinion). This amendment is prompted by service reports of bevel pinion fatigue cracking. This condition, if not corrected, could result in failure of the MGB and a subsequent forced landing.
2004-03-25: This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A330 and A340-200 and -300 series airplanes, that requires repetitive inspections for proper installation of the parachute pins located in the escape slides/rafts at the door 3 Type I emergency exits on the left and right sides of the airplane; a one-time inspection of the associated electrical harnesses for the escape slides/rafts for proper routing and installation; and corrective actions if necessary. This AD also requires adjustment of the speed lacing for the soft covers of the escape slides/rafts, which will terminate the repetitive inspections. This action is necessary to prevent failure of the escape slides/rafts to deploy correctly at door 3 Type I emergency exits, which could result in the escape slides/rafts being unusable during an emergency evacuation, and consequent injury to passengers or crew members. This action is intended to address the identified unsafe condition.
95-24-02: This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 747SP series airplanes, that requires modification of the escape slide/raft on Door 2 of the airplane. This amendment is prompted by reports indicating that the escape slide/raft on Door 2 deployed onto the wing of the airplane and did not inflate automatically. The actions specified by this AD are intended to ensure that the escape slide/raft on Door 2 inflates automatically so that passengers are able to exit the airplane through Door 2 in the event of an emergency evacuation.
98-17-09: This amendment supersedes an existing airworthiness directive (AD), applicable to all Airbus Model A310 and A300-600 series airplanes, that currently requires a revision of the Airplane Flight Manual that warns the flightcrew of certain consequences associated with overriding the autopilot when it is in the pitch control axis. That AD also requires modification of certain flight control computers, and a modification to the autopilot. For certain airplanes, that AD also requires repetitive operational testing of the modified autopilot to determine if the disconnect function operates properly, and repair, if necessary. This amendment adds a new requirement to accomplish those repetitive operational tests on other airplanes. This amendment is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to prevent an out-of-trim condition between the trimmable horizontal stabilizer and the elevator, which could result in severely reduced controllability of the airplane.
95-22-13: This amendment adopts a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model MD-11 series airplanes. This action requires an inspection to determine proper clamping and to detect damage of a wire bundle in the avionics compartment, and repair, if necessary. This amendment is prompted by a report of smoke and fire in the avionics compartment floor area that was caused by electrical arcing that occurred as the result of chafed wiring. The actions specified in this AD are intended to prevent smoke and fire in the avionics compartment due to such electrical arcing in the wire bundle; that condition could pose a hazard to the continued safe flight of the airplane.
2021-05-22: The FAA is adopting a new airworthiness directive (AD) for certain Safran Helicopter Engines, S.A. (Safran Helicopter Engines) Arriel 1B, Arriel 1C, Arriel 1C2, Arriel 1D1, Astazou XIV B, and Astazou XIV H model turboshaft engines. This AD was prompted by the detection of positive segregation (freckles) on Stage 2 high-pressure turbine (HPT) disks and Stage 3 turbine wheels. This AD requires removal from service of certain Stage 2 HPT disks for Safran Helicopter Engines Arriel 1B, 1C, 1C2, and 1D1 model turbofan engines and affected Stage 3 turbine wheels for Safran Helicopter Engines Astazou XIV B and XIV H model turbofan engines. The FAA is issuing this AD to address the unsafe condition on these products.