Results
2014-22-05: We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model DC-9-10, DC-9-20, DC-9-30, DC-9-40, and DC-9- 50 series airplanes. This AD was prompted by an evaluation by the design approval holder (DAH) indicating that the bulkhead dome tees, which connect the bulkhead web to the fuselage, are subject to widespread fatigue damage (WFD). This AD requires repetitive inspections of the improved ventral aft pressure bulkhead tees, and replacement if necessary. We are issuing this AD to detect and correct fatigue cracking of the bulkhead dome tees, which could result in reduced structural integrity and rapid decompression of the airplane.
75-04-06: 75-04-06 BOEING: Amendment 39-2086. Applies to all Model 747 airplanes, certificated in all categories, listed in Boeing Service Bulletin 747-34-2058 dated January 31, 1974, or later FAA approved revisions. To prevent erroneous information from being displayed on flight instruments: \n\tWithin the next 3,500 hours time in service after the effective date of this AD, modify the pitot-static tubing to include a vertical rise just inboard of each pitot-static probe in accordance with Work Package 1, 2, and 3 of Boeing Service Bulletin 747-34-2058, dated January 31, 1974, or later FAA approved revisions, or in a manner approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region. \n\tThe manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). \n\tAll persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P. O. Box 3707, Seattle, Washington 98124. The documents may be examined at FAA Northwest Region, 9010 East Marginal Way, Seattle, Washington 98108. \n\tThis amendment becomes effective March 10, 1975.
2021-17-02: The FAA is superseding Airworthiness Directive (AD) 2020-23- 13, which applied to all ATR--GIE Avions de Transport R(eacute)gional Model ATR42-200, -300, and -320 airplanes. AD 2020-23-13 required a one-time inspection for discrepancies of the wire bundles between the left- and right-hand angle of attack (AOA) probes and the crew alerting computer, and, depending on findings, applicable corrective actions. This AD continues to require the actions in AD 2020-23-13, and also requires for certain airplanes, modifying the captain stick shaker wiring, and for all airplanes, revising the existing aircraft flight manual (AFM) and applicable corresponding operational procedures to incorporate procedures for the stick pusher/shaker, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD was prompted by false activation of the stall warning system due to wiring damage on the wire bundle between an AOA probe and the crew alerting computer, and the development of a wiring modification and AFM update to address the unsafe condition. The FAA is issuing this AD to address the unsafe condition on these products.
2014-21-10: We are adopting a new airworthiness directive (AD) for certain Airbus Model A330-200 and -300 series airplanes, and Model A340-200 and -300 series airplanes. This AD was prompted by a report of contact between certain electrical harnesses and the hatrack rod that could cause chafing between the harnesses and surrounding structure. This AD requires modifying the routing of certain electrical harnesses. We are issuing this AD to prevent chafing and possible short circuit of two oxygen chemical generator containers in different wiring routes, which could result in malfunction of the electrical opening of all the containers connected to these routes. Such conditions, during a sudden depressurization event, could result in lack of oxygen and consequent injuries to airplane occupants.
2014-21-07: We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, Model CL-600-2D24 (Regional Jet Series 900) airplanes, and Model CL-600-2E25 (Regional Jet Series 1000) airplanes. This AD was prompted by a report that certain parts of the aft baggage door did not conform to the design specifications and were of degraded strength. This AD requires repetitive inspections for cracking and deformations of certain stop fittings and striker plates of the aft baggage bay door; and replacement, which would terminate the repetitive inspections. We are issuing this AD to prevent cracking and deformations of certain stop fittings and striker plates, which could result in the opening of the aft baggage bay door and rapid decompression or reduced controllability of the airplane.
75-22-17: 75-22-17 BRITTEN NORMAN LTD: Amendment 39-2407. Applies to Model BN-2A Mark III airplanes, all series, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent possible loss of rudder trim control, accomplish the following: (a) Prior to the first flight of each day after the effective date of this AD, inspect the rudder trim jack lower mounting brackets and rudder structure for cracks in accordance with paragraphs 1, 2, and 3 of Britten Norman Service Bulletin No. BN-2/SB.62, dated June 22, 1973, or an FAA-approved equivalent. (b) If a crack is found during an inspection required by paragraph (a) of this AD, replace the cracked part with a part of the same part number or an FAA-approved equivalent before further flight, except that the airplane may be flown in accordance with FAR Section 21.197 and 21.199 to a base where the repair can be accomplished. (c) Within the next 300 hours' time in service after the effective date of this AD, modify the rudder trim jack lower mounting bracket and the rudder structure in accordance with Britten Norman Modification Leaflet No. BN-2/NB/M/596, dated June 22, 1973, or an FAA- approved equivalent. (d) Upon incorporation of the modification required by paragraph (c) of this AD, the inspections required by paragraph (a) of this AD, may be discontinued. This amendment becomes effective November 5, 1975.
2014-21-03: We are adopting a new airworthiness directive (AD) for Airbus Helicopters Model AS332L2 helicopters with a certain yaw control damper support (support) installed. This AD requires repetitively inspecting the support attachment points for a crack. This AD is prompted by a report that the front attachment points of several supports were found to have cracks. These actions are intended to detect a crack in a support, which could result in failure of the support, separation of the yaw damper unit, blocking of the yaw flight control channel, and reduced control of the helicopter.
2020-21-05: The FAA is superseding Airworthiness Directive (AD) 2017-25- 16, which applied to all Airbus SAS Model A330-200 Freighter, A330-200, A330-300, A340-200, A340-300, A340-500, and A340-600 series airplanes. AD 2017-25-16 required repetitive inspections of certain fuel pumps for cavitation erosion, corrective action if necessary, and revision of the minimum equipment list (MEL). This AD continues to require those actions, and also requires expanding the inspection area, adding certain maintenance actions, and expanding the applicability, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD was prompted by reports of a fuel pump showing cavitation erosion that exposed the fuel pump power supply wires, and by new findings that suggest the need to expand the inspection area and the applicability. The FAA is issuing this AD to address the unsafe condition on these products.
2014-21-01: We are superseding airworthiness directives (ADs) 90-26-01, 91-20-02, and 2009-05-02 for all General Electric Company (GE) CF6-80C2 and CF6-80E1 series turbofan engines. This AD retains the requirements of those ADs and requires removal of additional fuel manifold part numbers (P/Ns), additional repetitive inspections, replacement as required of certain fuel manifold P/Ns and tube (block) clamps, and replacement of loop clamps. This AD was prompted by a report of an under-cowl fire caused by a manifold high-pressure fuel leak, and several additional reports of fuel leaks. We are issuing this AD to prevent failure of the fuel manifold, which could lead to uncontrolled engine fire, engine damage, and damage to the airplane.
75-06-02: 75-06-02 HUGHES: Amendment 39-2119. Applies to Hughes Model 369HS, 369HE and 369HM helicopters as modified by the installation of cargo carriers in accordance with Chadwick STC SH133WE or the installation of auxiliary fuel tanks in accordance with SH129WE, certificated in all categories. Helicopters modified by these two STCs may continue to fly without cargo racks and auxiliary tanks installed. Compliance required as indicated. To prevent inadvertent loss of cargo racks or auxiliary fuel tanks, accomplish the following: Within 100 hours time in service or by June 1, 1975, whichever comes first, unless already accomplished, install the lock pin guard, Chadwick P/N 75-30135, in accordance with the Chadwick Field Kit Installation C-75G, Drawing No. 75-11200, dated September 11, 1974 or later FAA approved revisions, or modify in a manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Northwest Region. The manufacturer's specifications and proceduresidentified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Chadwick Inc., 4375 S.W. 142nd Ave., Beaverton, Oregon 97005. The documents may also be examined at FAA Northwest Region, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective March 28, 1975.
2020-22-11: The FAA is superseding Airworthiness Directive (AD) 2017-18- 17, which applied to all Airbus SAS Model A300 B4-603, A300 B4-620, A300 B4-622, A300 B4-605R, A300 B4-622R, A300 F4-605R, A300 F4-622R, and A300 C4-605R Variant F airplanes. AD 2017-18-17 required modifying certain fuselage frames and a repair on certain modified airplanes. This AD continues to require the actions in AD 2017-18-17, and also requires, for certain airplanes, an inspection to determine if rotating probe inspections were performed prior to oversizing of the open-holes, and repair if necessary; as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD was prompted by a report indicating that the material used to manufacture the upper frame feet was changed and negatively affected the fatigue life of the frame feet, and a determination that more work is required for certain airplanes that were previously modified. The FAA is issuing this AD to address the unsafe condition on these products.
2014-20-11: We are superseding Airworthiness Directive (AD) 2011-07-05 for certain Sicma Aero Seat 9140, 9166, 9173, 9174, 9184, 9188, 9196, 91B7, 91B8, 91C0, 91C2, 91C4, 91C5, and 9301 series passenger seat assemblies; and Sicma Aero Seat 9501311-05, 9501301-06, 9501311-15, 9501301-16, 9501441-30, 9501441-33, 9501311-55, 9501301-56, 9501441-83, 9501441-95, 9501311-97, and 9501301-98 passenger seat assemblies. AD 2011-07-05 required a general visual inspection for cracking of backrest links, replacement with new links if cracking is found, and eventual replacement of all links with new links. This new AD requires a new general visual inspection for cracking of backrest links, which includes new seat backrest links; replacement with new links if cracking is found; and eventual replacement of all links with new links. This AD was prompted by a report that new seat backrest links could be affected by cracks similar to those identified on the backrest links with the previous design. We are issuing this AD to detect and correct cracks in the backrest links, which could affect the structural integrity of seat backrests. Failure of the backrest links could result in injury to an occupant during emergency landing conditions.
2014-20-05: We are adopting a new airworthiness directive (AD) for Empresa Brasileira de Aeronautica S. A. (EMBRAER) Models EMB-110P1 and EMB- 110P2 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as corrosion and cracking on the rudder trim tab actuator terminal. We are issuing this AD to require actions to address the unsafe condition on these products.
2003-14-02: This amendment adopts a new airworthiness directive (AD), applicable to certain Bombardier Model CL-600-2B19 (Regional Jet series 100 & 400) airplanes, that requires a one-time inspection of the aft edge of the left and right main windshields to determine whether a certain placard is installed, and corrective actions if necessary. This action is necessary to prevent stress-related cracking of the windshields, and subsequent excessive frequency of abnormal procedures specified in the airplane flight manual and/or an emergency descent be accomplished, which poses an increased risk to passengers and crew members. This action is intended to address the identified unsafe condition.
2020-09-14: The FAA is superseding Airworthiness Directive (AD) 2020-03- 12, which applied to all Airbus SAS Model A350-941 and -1041 airplanes. AD 2020-03-12 required revising the existing airplane flight manual (AFM) to define a liquid-prohibited zone in the flight deck and provide procedures following liquid spillage on the center pedestal. This AD continues to require revising the existing AFM, and also requires installing a removable integrated control panel (ICP) cover in the flight deck and further revising the AFM to include instructions for ICP cover use, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. This AD was prompted by the FAA's determination that a removable integrated control panel (ICP) cover must be installed to prevent damage from spillage and that the existing AFM must be revised. The FAA is issuing this AD to address the unsafe condition on these products.
97-20-15: This amendment supersedes an existing airworthiness directive (AD), applicable to Hiller Aircraft Corporation Model UH-12A, UH-12B, UH-12C, UH-12D, and UH-12E helicopters, that currently requires a dye penetrant inspection of the head of the main rotor outboard tension- torsion (T-T) bar pin for cracks; a visual inspection of the outboard T-T bar pin for proper alignment and an adjustment, if necessary; and, installation of shims at the inboard end of the drag strut. This amendment requires the same actions required by the existing AD, but allows a magnetic particle inspection of the T-T bar pin as an alternative to the currently required dye penetrant inspection, and requires reporting the results of the inspections only if cracks are found, rather than reporting all results of inspections as required by the existing AD. This amendment is prompted by an FAA analysis of a comment to the existing AD, and the fact that no cracks have been reported since the issuance of the existing AD. The actions specified by this AD are intended to prevent cracks in the head area of the outboard T-T bar pin, which could result in loss of in-plane stability of the main rotor blade and subsequent loss of control of the helicopter.
2014-20-09: We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400 series airplanes. This AD was prompted by reports of missing clamps that are required to provide positive separation between the alternating current (AC) feeder cables and the hydraulic line of the landing gear alternate extension. This AD requires an inspection for missing clamps that are required to provide positive separation between the AC feeder cables and the hydraulic line of the landing gear alternate extension, and related investigative and corrective actions if necessary. We are issuing this AD to detect and correct chafing of the AC feeder cable. A chafed and arcing AC feeder cable could puncture the adjacent hydraulic line, which, in combination with the use of the alternate extension system, could result in an in- flight fire.
74-23-07: 74-23-07 CESSNA: Amendment 39-2010. Applies to Cessna Model A188B (Serial Numbers 18801375 through 18801824, including those serial numbers with suffix "T") airplanes. Compliance: Required as indicated, unless already accomplished. To preclude induction air inlet duct collapse and resulting in engine power loss within the next 25 hours' time in service after the effective date of this AD, accomplish the following: Replace the existing induction air inlet duct with Cessna P/N 1650044-1 bellows type induction air inlet duct or equivalent, in accordance with Cessna Service Letter No. SE 74-23, dated October 4, 1974, or later approved revisions. Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective November 15, 1974.
2014-20-04: We are superseding Airworthiness Directive (AD) 94-12-03 for certain Airbus Model A320 series airplanes. AD 94-12-03 required modification of the belly fairing structure. This new AD requires repetitive inspections for cracking of the four titanium angles between the belly fairing and the keel beam side panel, an inspection for cracking of the open holes if any cracking is found in the titanium angles, and repair or replacement if necessary; this new AD also expands the applicability of AD 94-12-03. This AD was prompted by reports of cracks at the lower riveting of the four titanium angles that connect the belly fairing to the keel beam side panels on both sides of the fuselage. We are issuing this AD to detect and correct cracking of the titanium angles that connect the belly fairing to the keel beam side panels on both sides of the fuselage, which could affect the structural integrity of the airplane.
2019-19-06: The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A330-202, -243, -243F, -302, -323, and -343 airplanes. This AD was prompted by a report that cracks have been found within the ring gears of the slat geared rotary actuators (SGRAs) due to a change in the manufacturing process and inadequate post-production non-destructive testing for potential cracking. This AD requires an inspection to determine the part number and serial number of the SGRAs, and replacement of each affected SGRA 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.
2014-20-07: We are superseding Airworthiness Directive (AD) 2010-03-05 for all the Boeing Company Model 747-200C and -200F series airplanes. AD 2010-03-05 required, for the upper chords of the upper deck floor beam of section 41, an inspection for cracking of certain fastener holes, and corrective action if necessary; and repetitive replacements of the upper chords, straps (or angles), and radius fillers of certain upper deck floor beams and, for any replacement that is done, inspections for cracking, and corrective actions if necessary. This new AD adds repetitive inspections of the upper chords of the upper deck floor beam of Section 42, repetitive replacements of the upper chords, post- replacement inspections, and corrective actions if necessary. This new AD also adds post-replacement inspections for section 41 and reduces certain compliance times. This AD was prompted by a determination that the upper deck floor beams are subject to widespread fatigue damage (WFD), the existing inspection program is not sufficient to maintain an acceptable level of safety, and the upper chords of the upper deck floor beam of section 42 are subject to the unsafe condition. We are issuing this AD to detect and correct cracking of the upper chords and straps (or angles) of the floor beams, which could lead to failure of the floor beams and consequent loss of controllability, rapid decompression, and loss of structural integrity of the airplane.
2014-20-06: We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes, and Model 777 airplanes. This AD was prompted by testing reports on certain Honeywell phase 3 display units (DUs). These DUs exhibited susceptibility to radio frequency emissions in WiFi frequency bands at radiated power levels below the levels that the displays are required to tolerate for certification of WiFi system installations. The phase 3 DUs provide primary flight information including airspeed, altitude, pitch and roll attitude, heading, and navigation information to the flightcrew. This AD requires replacing the existing phase 3 DUs with phase 1, phase 2, or phase 3A DUs, and for certain replacement DUs, installing new DU database software. We are issuing this AD to prevent loss of flight-critical information displayed to the flightcrew during a critical phase of flight, such as an approach or takeoff, which could result in loss of airplane control at an altitude insufficient for recovery, or controlled flight into terrain.
2014-20-03: We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by reports of an incorrectly assembled check tee fitting used in fire extinguishing (FIREEX) distribution lines. This AD requires inspecting to determine the part number and for all affected check tee fittings measuring for correct depth, and replacing if necessary. We are issuing this AD to detect and correct faulty check tee fittings, which will reduce fire extinguishing protection.
70-19-03: 70-19-03 DORNIER AG: Amdt. 39-1080. Applies to Model Do-28D-1 Airplanes. To prevent interference between the jumper wires and the aileron and flap control systems, within the next 50 hours' time in service after the effective date of this AD, unless already accomplished, rework the jumper wire installations located in the right and left wing by installing shorter jumper wires, covering the jumper wires with insulation tubing, and rerouting wires in accordance with Dornier Service Bulletin No. 1030-1408, dated 6 July 1970, or an FAA approved equivalent. This amendment becomes effective September 22, 1970.
2018-25-16: We are adopting a new airworthiness directive (AD) for certain Airbus Defense and Space S.A. Model CN-235, CN-235-200 and CN-235-300 airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. We are issuing this AD to address the unsafe condition on these products.