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The FAA proposes to supersede Airworthiness Directive (AD) 2000-17-09, AD 2008-04-19 R1, and AD 2015-26-09; and to terminate all requirements of AD 2018-18-05, which applies to ATR--GIE Avions de Transport R[eacute]gional Model ATR42-200, -300, and -320 airplanes. AD 2018-18-05 requires updating the maintenance or inspection program, as...
The FAA proposes to supersede Airworthiness Directive (AD) 2012-21-08, which applies to certain The Boeing Company Model 737-600, -700, -700C, -800, and -900 series airplanes. AD 2012-21-08 requires inspecting for part numbers of the operational program software (OPS) of the flight control computers (FCCs) and installing and testing an updated...
The FAA proposes to adopt a new airworthiness directive (AD) for Bell Helicopter Textron, Inc. (Bell) Model 214ST helicopters. This proposed AD was prompted by the discovery of bolts with nonconforming external thread root radii. This proposed AD would require removing the affected bolts from service and would prohibit installing an affected...
The FAA proposes to adopt a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes. This proposed AD was prompted by a report that the anti- fretting coating on the piston rods of certain ram air turbine (RAT) deployment actuators may have been incorrectly applied. This proposed AD would...
Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain De Havilland Aircraft of Canada Limited Model DHC-8-400 series airplanes. This proposed AD was prompted by a report that certain elevator power control unit (PCU) arm fittings have nonconforming fillet radii. This proposed AD would require an inspection for affected...
The FAA proposes to supersede airworthiness directive (AD) 2016-07-13 and AD 2018-03-22 which apply to certain GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A, M601E-11AS, M601E-11S, and M601F turboprop engines. AD 2016-07-13 requires inspection of the engine power turbine (PT) disk and, if found damaged, its replacement with a part...