Department of Transportation June 13, 2017 – Federal Register Recent Federal Regulation Documents
Results 1 - 4 of 4
Amendment and Removal of VOR Federal Airways; Eastern United States
This action modifies VOR Federal airways V-14, V-265, V-464, and V-552, and removes V-90 in the eastern United States due to the planned decommissioning of the Dunkirk, NY, VORTAC navigation aid, which provides navigation guidance for portions of the above routes.
Airworthiness Directives; Pratt & Whitney Turbofan Engines
We are superseding Airworthiness Directive (AD) 2014-05-32 for all Pratt & Whitney (PW) PW2037, PW2037D, PW2037M, PW2040, PW2040D, PW2043, PW2143, PW2643, and F117-PW-100 turbofan engines. AD 2014-05-32 required one-time eddy current inspection (ECI) of affected engines with certain diffuser and high-pressure turbine (HPT) cases installed. AD 2014-05-32 also required a fluorescent-penetrant inspection (FPI) of the diffuser case rear flange and the HPT case front flange. This AD requires additional repetitive, on-wing ECI inspections. This AD was prompted by the manufacturer determining through analysis that the inspections required by AD 2014-05-32 are not adequate to maintain safety for certain diffuser cases. We are issuing this AD to correct the unsafe condition on these products.
Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
We are adopting a new airworthiness directive (AD) for certain Rolls-Royce Corporation (RRC) AE 3007C and 3007C1 turbofan engines. This AD was prompted by analysis and by cracks found in the high- pressure turbine (HPT) wheel during an inspection. This AD requires replacement of the affected HPT wheels at new, lower life limits. We are issuing this AD to correct the unsafe condition on these products.
Airworthiness Directives; Lycoming Engines Reciprocating Engines
We are adopting a new airworthiness directive (AD) for all Lycoming TIO-540-AJ1A reciprocating engines. This AD requires initial and repetitive inspections of engine exhaust system weld joints and torque checking the exhaust pipe flange mounting nuts. This AD was prompted by several reports of engine exhaust leaks. We are issuing this AD to correct the unsafe condition on these products.
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