821 RULES: Boeing,
The FAA is superseding an existing airworthiness directive (AD), which applies to certain Boeing Model 747400, 747400D, and 747 400F series airplanes. The existing AD currently requires reviewing airplane maintenance records; inspecting the yaw damper actuator portion of the upper and lower rudder power control modules (PCMs) for cracking, and
822 PROPOSED RULES: Boeing,
The FAA is revising an earlier proposed airworthiness directive (AD) for certain Boeing Model 747 airplanes. The original NPRM would have required repetitive tests to detect hot air leaking from the trim air diffuser ducts or sidewall riser duct assemblies (collectively referred to in this proposed AD as ``TADDs''), related investigative actions,
823 PROPOSED RULES: Airbus,
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Model A300 B4605R airplanes and Model A310308, 324, and 325 airplanes. This proposed AD would require modifying the Bruce floor plan electrical emergency path marking system (FPEEPMS) and, for certain airplanes, modifying the automatic switching of the emergency
824 RULES: Boeing,
The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 757200, 200CB, and 300 series airplanes. This AD requires repetitive detailed inspections for proper functioning of the girt bar leaf springs for the escape slides to ensure the leaf springs retain the sliders and the required 0.37inch minimum engagement between the
825 RULES: Airbus,
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 airworthiness authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as failure of pitch trim
826 RULES: Rolls-Royce Corp.,
The FAA is superseding an existing airworthiness directive (AD) for RollsRoyce Corporation (RRC) 501D series turboprop engines. That AD requires removal from service of certain turbine rotor components at reduced life limits. This AD requires the same actions but adds two new life limits. This AD results from RRC reevaluating and revising
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