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2008-04-13: 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: [T]he FAA has published a set of new rules related to the fuel tank safety, including the Special Federal Aviation Regulation 88 (SFAR 88). The JAA (Joint Aviation Authority) has issued an Interim Policy JAA INT/POL 25/12, to recommend the application of a similar requirement to the National Aviation Authorities (NAA) [of Europe]. * * * * * * * * ATR carried out a safety review on the fuel tank systems and zones adjacent to the fuel tanks on all ATR models * * . * * * * The unsafe condition is the potential of ignition sources inside fuel tanks, which, 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.
2008-04-03: We are adopting a new airworthiness directive (AD) for Eurocopter Model AS-365N2 and N3, SA-365C, C1 and C2, and SA-365N and N1 helicopters. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority to identify and correct an unsafe condition on an aviation product. The European Aviation Safety Agency (EASA), the Technical Agent for France, with which we have a bilateral agreement, states in the MCAI: This Emergency Airworthiness Directive is issued following several reports of tightening torque loss detected on the main rotor hub (MRH)-to-main rotor mast bolted attachment. These findings were made on EUROCOPTER-assembled attachments with less than 300 operating hours. A loss of tightening torque on the MRH-to-main rotor mast attachment bolt could lead to loss of the main rotor head. This AD requires actions that are intended to address the unsafe condition caused by a loss of tightening torque on the MRH attachment bolts.
2023-16-01: The FAA is superseding Airworthiness Directive (AD) 2023-12- 20, which applied to certain Bombardier, Inc., Model CL-600-2B16 (604 Variant) airplanes. AD 2023-12-20 required replacing certain oxygen system hoses and prohibited installing affected oxygen hoses. Since the FAA issued AD 2023-12-20, the FAA has learned of an error in a required compliance time. This AD retains the requirements of AD 2023-12-20, with a revised compliance time for the replacement. The FAA is issuing this AD to address the unsafe condition on these products.
2008-04-05: We are adopting a new airworthiness directive (AD) for Eurocopter Deutschland (Eurocopter) Model EC135 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 (EASA), the Technical Agent for the Federal Republic of Germany, with which we have a bilateral agreement, states in the MCAI: During a flight a burning odour [sic] could be smelled in the cabin. Its reason was a short circuit in the LH cable channel, which was caused by a damaged wire harness. The wire harness was damaged by the side channel cover's attachment hardware. The rubbing and chafing of the wiring harnesses in the tunnels underneath the channel cover, against the screws and rivets attaching the channel covers, could lead to a short circuit of the wiring harness. This AD requires actions that are intended to address this unsafe condition by preventing a short circuit resulting from a damaged wiring harness, which could subsequently lead to a fire in the helicopter.
2023-14-10: The FAA is superseding Airworthiness Directive (AD) 2019-21- 06, which applied to certain Ipeco Holdings Limited (Ipeco) pilot and co-pilot seats. AD 2019-21-06 required modification and re- identification of the affected seats, initial and repetitive inspections of the affected track lock springs and, depending on the findings, replacement of the track lock springs with a part eligible for installation. Since the FAA issued AD 2019-21-06, the FAA determined the need for a mandatory terminating action to the track lock spring inspections. This AD is prompted by reports of track lock spring failures occurring on affected seats. This AD retains the requirements of AD 2019-21-06. This AD also adds a mandatory terminating action for the initial and repetitive inspections of the affected track lock springs. The FAA is issuing this AD to address the unsafe condition on these products.
2008-01-02: 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: During a heavy maintenance check on a DHC-4 aircraft, an operator discovered that both of the upper engine mount bracket assemblies on one aircraft were cracked. Further inspection of the operator's fleet confirmed that engine mount bracket assemblies on five out of ten aircraft were also cracked. * * * * * Failure of the upper engine mount bracket assembly could result in separation of the engine from the airplane. This AD requires actions that are intended to address the unsafe condition described in the MCAI.
2008-04-01: 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: * * * accidents which occurred to in-service aircraft caused by the violent opening of the passenger door related to excessive residual pressure in the cabin. We are issuing this AD to require actions to correct the unsafe condition on these products.
2023-14-04: The FAA is superseding Airworthiness Directive (AD) 2020-09-11 and AD 2022-21-12, which applied to all Fokker Services B.V. Model F28 Mark 0070 and 0100 airplanes. AD 2020-09-11 and AD 2022-21-12 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2022-21-12, new or more restrictive tasks and limitations have been introduced. This AD continues to require the actions of AD 2022-21-12, and also requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations; 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.
2008-03-20: The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 737-300, -400, and -500 series airplanes. This AD requires, among other actions, modifying the door-mounted escape system of the forward right side door slide compartment. This AD results from reports indicating that the forward right escape slide inflated 90 degrees out of alignment after deployment from the forward right side slide compartment. We are issuing this AD to prevent the escape slide from being unusable during an emergency evacuation and consequent injury to passengers or crewmembers.
2008-03-15: We are superseding an existing 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: A non-respect of the pilot door adjustment procedure could have damaged the stop fitting and could result in a consequent depressurization of the airplane. We are issuing this AD to require actions to correct the unsafe condition on these products. DATES: This AD becomes effective March 11, 2008. On March 11, 2008, the Director of the Federal Register approved the incorporation by reference of EADS SOCATA TBM Aircraft Mandatory Service Bulletin SB 70-131, Amendment 1, dated June 2007, listed in this AD. As of March 23, 2007 (72 FR 7559, February 16, 2007), the Director of the Federal Register approved the incorporation by reference of EADS SOCATA TBM Aircraft Mandatory Service Bulletin SB 70-131, dated July 2005, listed in this AD.