Airworthiness Directives (ADs) Issued

AD 96-15-06, Pratt & Whitney JT8D-200 Series Turbofan Engines. Prior to further flight, remove from service all affected first stage fan hubs, P/N 5000501-01, to prevent the initiation and propagation of a fatigue crack, fracture of the fan hub, uncontained engine failure, and damage to the aircraft.

AD 97-02-11 (superseded), Pratt & Whitney JT8D-200 Series Turbofan Engines. Requires cleaning of front compressor fan hubs; initial and repetitive eddy current (ECI) and fluorescent penetrant inspections (FPI) of tierod and counterweight holes for cracks; removal of bushings; the cleaning and ECI and FPI of bushed holes for cracks; and, if necessary, replacement with serviceable parts (coolant channel drilled holes only).

AD 97-17-04 R1, Pratt & Whitney JT8D-200 Series Turbofan Engines. Requires cleaning of front compressor fan hubs; initial and repetitive eddy current and fluorescent penetrant inspections of tierod and counterweight holes for cracks; removal of bushings; the cleaning and ECI and FPI of bushed holes for cracks; and, if necessary, replacement with serviceable parts (standard drill and coolant channel drilled holes).

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