Service difficulty report · Bearing

Difficulty date
December 18, 1999
Submitted
April 4, 2000
Operation
General aviation
Engine
Pwa PW4460
Part
Bearing
Part number
50A096
Part serial
55540
Condition
Failed
Location
Nr 4 Main
Part time
9,116 hours, 2,601 cycles
Stage of operation
CR
How discovered
O
Nature of condition
E, J
Precautionary procedure
E, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CRUISE, LOUD BANG AND VIBRATION. ENGINE SHUTDOWN. DISASSEMBLY INSPECTION REVEALED FRACTURED NR 2 MAIN BEARING, EXTENSIVE HPC/HPT/LPT DAMAGE AND FIRE DAMAGE NR 2 BEARING AREA. FAILED MATERIAL SENT TO P&W E.H. FOR ANALYSIS. (X)