SDR 99ZZZX2068

Service difficulty report · Bearing

Difficulty date
March 4, 1999
Submitted
March 26, 2000
Operation
General aviation
Engine
Pwa PW2037
Part
Bearing
Part number
1B5129
Condition
Spalled
Location
Engine
Part time
5,249 hours
Stage of operation
NR
Nature of condition
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

ENGINE WAS IN FLIGHT SHUTDOWN DUE TO ZERO OIL PRESSURE AND OIL PRESSURE WARNING LIGHT. ENGINE WINDMILLED OVER TWO HOURS WITH ZERO OIL PRESSURE. DISASSEMBLY INSPECTION REVEALED FAILED NR 1 MAIN BEARING. BEARING CONDITION AS RECEIVED: OUTER RACE SPALLED OVER 90 DEGREE ARC. CAGE BROKEN IN HALF (CIRCUMFERENTIALLY). BALL SPALLING. BEARING IS NOT PART OF SUSPECT LOT. BEARING TURNED OVER TO P&W FOR INVESTIGATION. ENGINE TT: 5,249 HOURS. ENGINE TC: 1,784.