Results
2004-22-23: This amendment adopts a new airworthiness directive (AD), applicable to certain Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, that requires a one-time inspection of the shafts of the main landing gear (MLG) side-brace fittings to detect corrosion, and the forward and aft bushings in the left-hand and right-hand MLG side-brace fittings to detect discrepancies. This AD also requires corrective and related actions if necessary. This action is necessary to prevent fractures of the MLG side-brace fitting shafts, and possible collapse of the MLG. This action is intended to address the identified unsafe condition.
2000-02-29: This document adopts a new airworthiness directive (AD) that applies to all SOCATA - Groupe AEROSPATIALE (SOCATA) Model TBM 700 airplanes. This AD requires you to revise the Airplane Flight Manual (AFM) to include requirements for activating the airframe pneumatic deicing boots. This AD is the result of reports of in-flight incidents and an accident that occurred in icing conditions where the airframe pneumatic deicing boots were not activated. The actions specified by this AD are intended to assure that flightcrews have the information necessary to activate the pneumatic wing and tail deicing boots at the first signs of ice accumulation. Without this information, flightcrews could experience reduced controllability of the aircraft due to adverse aerodynamic effects of ice adhering to the airplane prior to the first deicing cycle.
2022-27-06: The FAA is adopting a new airworthiness directive (AD) for certain Embraer S.A. Model ERJ 190-100 STD, -100 LR, -100 ECJ, -100 IGW, -200 STD, -200 LR, and -200 IGW airplanes. This AD was prompted by a report of uncommanded setting of the barometric reference in both primary flight displays (PFDs) due to the architecture of data communication of the Control I/O modules, which interconnect the display controllers to the air data system. This AD requires installing updated Primus EPIC software, as specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
2000-02-21: This amendment adopts a new airworthiness directive (AD), applicable to all British Aerospace (Jetstream) Model 4101 airplanes, that requires manufacture and installation of a placard on the left-hand instrument panel in the cockpit to prohibit push-backs of the airplane while the engines are running. In lieu of accomplishing the placard installation, this amendment requires repetitive installation of a new tow bracket sub-assembly that has the serial number and date of installation vibro etched on it. 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 fatigue failure of the towing bracket. Failure of the towing bracket could cause a towing vehicle to collide into the propeller while the airplane engines are running, and consequently, cause damage to the airplane, and injure ground personnel, flight crew, or passengers.
2005-20-34: The FAA is adopting a new airworthiness directive (AD) for certain British Aerospace Model HS 748 airplanes. This AD requires relocating the battery earth posts located on the nose landing gear (NLG) pintle webs. This AD results from an accident in which the nose landing leg, together with the pintle webs, detached from the airplane. As a result, the battery earth return cables were severed from their earth posts. We are issuing this AD to prevent loss of safety critical services including fuel shut-off and nacelle fire extinguishing services.
2000-02-18: This amendment supersedes an existing airworthiness directive (AD), applicable to certain Boeing Model 737-100, -200, -300, -400, and -500 series airplanes; that currently requires an inspection of reworked aileron/elevator power control units (PCU's) and rudder PCU's to determine if reworked PCU manifold cylinder bores containing chrome plating are installed, and replacement of the cylinder bores with cylinder bores that have been reworked using the oversize method or the steel sleeve method, if necessary. This amendment, among other items, expands the applicability of the existing AD to include airplanes equipped with certain rudder PCU's. This amendment is prompted by a review of the design of the flight control systems on Model 737 series airplanes. The actions specified by this AD are intended to prevent a reduced rate of movement of the elevator, aileron, or rudder due to contamination of hydraulic fluid from chrome plating chips; such reduced rate of movement, ifnot corrected, could result in reduced controllability of the airplane.
2022-27-07: The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-400 and 747-8 series airplanes. This AD was prompted by reports of wear-through of the motor impeller inlet adapter of a transfer pump for the horizontal stabilizer fuel tank caused by contact between the pump inlet check valve and the inlet adapter. This AD requires inspecting for wear of the motor impeller inlet check valves and inlet adapters of the transfer pumps for the horizontal stabilizer fuel tank and doing corrective actions, if necessary. This AD also limits the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
2000-02-19: This amendment supersedes an existing airworthiness directive (AD), applicable to certain Boeing Model 727 series airplanes, that currently requires repetitive inspections of the front spar web between the upper and lower seals of the center section of the wings, and repair, if necessary. That amendment also provides for an optional terminating modification for the repetitive inspections. This amendment requires a new terminating modification for the repetitive inspections. For certain airplanes, this amendment also requires new repetitive inspections to detect discrepancies of the front spar web. This amendment is prompted by a report indicating that the optional terminating modification in the existing AD does not adequately address the identified unsafe condition. The actions specified by this AD are intended to prevent fatigue cracks in the front spar web, which could lead to fuel leakage into the air-conditioning distribution bay and/or depressurization of the cabin, and to prevent fuel fumes in the cabin of the airplane.
2000-02-24: This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A300, A310, and A300-600 series airplanes, that requires either replacement of the spring rod assemblies of the rudder servo controls with improved spring rod assemblies; or modification of the existing spring rod assemblies. For certain airplanes, this amendment requires a one-time visual inspection to determine whether certain parts of the spring rod assemblies of the rudder servo controls are installed; and corrective actions, 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 corrosion of the spring rod assemblies of the rudder servo controls, which could result in the jamming of the rudder servo controls and consequent reduced controllability of the airplane.
96-24-15: This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC-10 series airplanes, and KC-10A (military) series airplanes, that requires high frequency eddy current inspections to detect cracks in the secondary pivot support of the horizontal stabilizer, and various follow-on actions, if necessary. This amendment is prompted by reports of crack development in the secondary pivot support of the horizontal stabilizer due to fatigue. The actions specified by this AD are intended to prevent such fatigue cracking, which could result in reduced structural integrity of the horizontal stabilizer and, consequently, lead to reduced controllability of the airplane.
2022-27-08: The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited Model 407 helicopters. This AD was prompted by an accident. This AD requires inspecting the tailboom attachment structure, 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.
85-15-02: 85-15-02 BRITISH AEROSPACE: Amendment 39-5100. Applies to all Model BAe 146 airplanes certificated in any category on which Modification HCM00301A or B has been accomplished, and on which Modification HCM00432A or B has not been accomplished. Compliance is required within the next 100 landings after the effective date of this airworthiness directive (AD). To detect and prevent chafing of the fuselage skin, accomplish the following, unless previously accomplished: 1. Inspect the fuselage skin beneath the wing to-fuselage fairings for chafing, repair if necessary, and apply anti-chafe tape in accordance with British Aerospace Service Bulletin 53-5 dated August 15, 1984, or Service Bulletin 53-5, Revision 1, dated April 19, 1985. 2. Repeat the inspection required by paragraph 1., above, at intervals not to exceed 1000 landings until Modification HCM00432A or B is incorporated. 3. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. 4. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. This amendment becomes effective August 22, 1985.
2000-02-15: This amendment adopts a new airworthiness directive (AD) that applies to Raytheon Aircraft Company (Raytheon) Beech Models 65-90, 65-A90, B90, and C90 airplanes that incorporate a certain engine and propeller configuration. This AD prohibits you from operating any affected airplane with this engine and propeller configuration and prohibits its future installation. Results of an accident investigation involving one of the affected airplanes reveals installation discrepancies with the engine and propeller configuration. These discrepancies, if not corrected, could lead to engine failure and the inability to feather the propeller. The actions specified by this AD are intended to prevent an uncontained engine failure due to suspect engine and propeller installation, which could result in loss of control of the airplane. The FAA must receive any comments on this rule on or before March 17, 2000.
2004-22-18: This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model MD-11 and -11F airplanes, that requires an inspection of the auto throttle servo (ATS) assembly and corrective actions if necessary. The actions specified by this AD are intended to prevent electrical shorting of the brake coils of the ATS, which could result in smoke in the cockpit and/or passenger cabin. This action is intended to address the identified unsafe condition.
2022-27-03: The FAA is superseding Airworthiness Directive (AD) 2021-20-10 for certain Leonardo S.p.a. Model AB139 and AW139 helicopters. AD 2021- 20-10 required removing from service a certain part-numbered main gearbox (MGB) spherical bearing lock nut (lock nut) that is installed on certain part-numbered MGBs and replacing it with a newly designed MGB lock nut. AD 2021-20-10 also prohibited installing any MGB with the affected MGB lock nut and prohibited installing any affected MGB lock nut on any helicopter. Since the FAA issued AD 2021-20-10, it was discovered that a part number (P/N) was incorrectly listed and that the applicability needed to be clarified. This AD retains the requirements of AD 2021-20-10 and clarifies the applicability. The FAA is issuing this AD to address the unsafe condition on these products.
2004-22-17: This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model MD-11 and MD-11F airplanes, that requires an inspection of the connector cables for signs of arcing and/or signs of moisture penetration into the overhead decoder units (ODU), and replacement of the affected ODU(s) with a new ODU, if necessary. This action also requires modification and reidentification of the cable assemblies and the connect cable assemblies at shipside power to the ODU, ODU to ODU, and adjacent bag racks; and replacing certain connectors of the ODU and shipside power cable assemblies. The actions specified by this AD are intended to prevent moisture from entering through the rear of the connector of the ODUs located in the overhead baggage stowage racks, which could result in a short, damage to the connector pins, and consequent smoke and/or fire in the cabin. This action is intended to address the identified unsafe condition.
2013-24-03: We are adopting a new airworthiness directive (AD) for certain Beechcraft Corporation (type certificate previously held by Hawker Beechcraft Corporation) Models 1900, 1900C, and 1900D airplanes. This AD was prompted by reports of cracking in the front spar cap angles and hat section structure of the vertical stabilizer. This AD requires inspections of the vertical stabilizer spar angles and hat section for cracks with corrective actions as necessary. We are issuing this AD to correct the unsafe condition on these products.
2013-25-01: We are adopting a new airworthiness directive (AD) for all DASSAULT AVIATION Model Falcon 10 airplanes. This AD requires a one- time inspection for cracking of the right-hand (RH) and left-hand (LH) inboard flaps, and replacement if necessary. This AD was prompted by reports of cracking found on the inboard end plate (rib) of the RH inboard flap. We are issuing this AD to detect and correct such cracking, which could lead to complete fracture of the rib and loss of integrity of the flap structure, resulting in loss of control of the airplane.
2008-15-02: We are adopting a new airworthiness directive (AD) for Eurocopter Deutschland GMBH (Eurocopter) Model MBB-BK 117C-2 helicopters. 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 European Aviation Safety Agency for the Republic of Germany, with which we have a bilateral agreement, states in the MCAI: During inadvertent operation of the fire extinguishing system, in one case it occurred that one of the two injection tubes became disconnected. This condition, if not corrected, could affect the ability of the fire extinguishing system to perform its intended function in the case of activation. The inability of the fire extinguishing system to suppress an engine fire creates an unsafe condition. We are issuing this AD to correct the unsafe condition by further securing the injection tubes with improved clamps, allowing suppression of a contained engine fire, and subsequent loss of the helicopter.
82-11-01: 82-11-01 ROBINSON HELICOPTER COMPANY: Amendment 39-4374. Applies to Model R-22 series helicopters certificated in all categories incorporating upper steel tube frame P/N A020-2, Serial No.'s 0002 through 0287. Compliance required as indicated, unless already accomplished. To prevent failure of the A020-2 framework which could result in loss of the helicopter, accomplish the following: (a) Within 10 hours' additional time in service after the effective date of this AD, visually inspect for cracks in the A020-2 upper steel tube frame per Inspection Procedure No. 1 of Robinson Helicopter Company Service Bulletin No. 18, dated February 15, 1982, or FAA approved equivalent and repeat this inspection thereafter at intervals not to exceed 50 hours' time in service since the last such inspection. (b) During the daily preflight, visually check for cracks in the area noted in Figure 1 of Robinson Helicopter Company Service Bulletin No. 18, dated February 15, 1982.NOTE 1: The preflight checks required by paragraph (b) of this AD may be performed by the pilot. NOTE 2: For the requirements regarding the listing of compliance and method of compliance with this AD in the airplane's permanent maintenance record, see FAR 91.173. (c) If cracks are found, replace P/N A020-2 frame with like serviceable part prior to further flight. (d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate rotorcraft to a base for the accomplishment of inspections required by this AD. (e) Alternative inspections, modifications, or other actions which provide an equivalent level of safety may be used when approved by the Chief, Western Aircraft Certification Field Office, Northwest Mountain Region. This amendment becomes effective May 21, 1982.
2004-22-19: The FAA is adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model MD-11 airplanes. This AD requires revising the cable connection stackups for mid-cabin terminal strips, replacing the terminal strips, and removing a nameplate, as applicable. This AD also requires an inspection for arcing damage in the mid-cabin area, and corrective actions if necessary. This AD is prompted by an incident in which arcing occurred between the power feeder cables and support bracket of the terminal strips. We are issuing this AD to prevent arcing damage to the terminal strips and damage to the adjacent structure, which could result in smoke and/or fire in the mid-cabin compartment.
2022-24-09: The FAA is superseding Airworthiness Directive (AD) 2021-14- 20, which applied to all The Boeing Company Model 737 airplanes. AD 2021-14-20 required repetitive functional tests of the cabin altitude pressure switches, and on-condition actions, including replacement, if necessary. AD 2021-14-20 also required reporting test results. This AD was prompted by data collected from the reports required by AD 2021-14- 20, which revealed that the switches were subject to false test failures due to lack of clear instructions for setup of the test adapters during the functional tests. This AD retains the repetitive functional tests and on-condition actions, and specifies certain adapter requirements for the functional tests. The FAA is issuing this AD to address the unsafe condition on these products.
2022-25-10: The FAA is adopting a new airworthiness directive (AD) for certain Embraer S.A. Model ERJ 190-300 and -400 airplanes. This AD was prompted by reports of friction marks on the engine fire extinguishing system tube, in the region of the aft fairing of the left-hand (LH) pylon. This AD requires rework of the retainer of the LH pylon access panel, inspection and replacement, as applicable, of the LH engine fire extinguishing system tube, and installation of a support, as specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
96-25-02: This amendment adopts a new airworthiness directive (AD) that applies to Mitsubishi Heavy Industries, LTD. Models MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 airplanes. This action requires revising the Limitations Section, the Procedures Section, and the Master Minimum Equipment List (MMEL) of the Airplane Flight Manual (AFM). These revisions require establishing a minimum airspeed for sustained level flight in icing conditions, limitations for the use of flaps for flight in icing conditions, cues for recognizing hazardous conditions, exiting procedures in icing conditions that are specific to Mitsubishi MU-2B series airplanes, and ensuring the wing illumination and taxi lights are operable prior to flight at night into known or forecast icing conditions. Several fatal accidents, involving certain Mitsubishi MU-2B series airplanes while flying in icing conditions, prompted this action. The actions specified by this AD are intended to prevent operating in conditions that are beyond the capability of the icing protection system, prevent aerodynamic stall at higher than normal airspeed because of icing conditions, and immediately provide the pilot with cues for recognizing hazardous conditions and exiting these conditions, which if not followed, could result in loss of the airplane.
2004-22-26: This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A330, A340-200, and A340-300 series airplanes. This AD requires repetitive inspections for evidence of corrosion and sheared attachment bolts of the sensor struts at flap track 4 on the left and right sides of the airplane; related investigative and corrective actions as necessary; and a terminating action for the repetitive inspections, by requiring the eventual replacement of all sensor struts with new, improved sensor struts that are less sensitive to corrosion. The actions specified by this AD are intended to prevent loss of the sensor strut function, resulting in the inability to detect flap drive disconnection at flap track stations 4 and 5, which could lead to separation of the outboard flap from the airplane, and consequent reduced controllability of the airplane. This action is intended to address the identified unsafe condition.