Service difficulty report · Bearing · Airbus A319131

Difficulty date
July 27, 1999
Submitted
October 9, 2000
Operation
Air carrier
Aircraft
N802UA
Make and model
Airbus A319131
Aircraft serial
690
Aircraft time
7,178 hours, 2,723 cycles
Engine
Iae V2527A5
Engine time
7,178 hours, 2,723 cycles
Part
Bearing
Part number
2A1165
Condition
Failed
Location
Nr 3
Part time
7,178 hours, 2,723 cycles
Stage of operation
CR
How discovered
O
Nature of condition
R, E
Precautionary procedure
E

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

What was found

NR 1 ENG IN-FLIGHT SHUTDOWN. CREW REPORTS COMPRESSOR STALL, FOLLOWED BY VIBRATION. RETARDED THROTTLE AND EXPERIENCED ANOTHER COMPRESSOR STALL. *S/D* NR 3 BEARING FAILED, CAUSING SECONDARY DAMAGE TO THE INLET GEARBOX AND HIGH PRESSURE COMPRESSOR MODULE. INVESTIGATION INDICATES THE FAILURE ORIGINATED IN THE BEARING RACE. THE ENGINE MANUFACTURER CONSIDERS THIS FAILURE AN ISOLATED CASE. HOWEVER, WEAR PATTERNS OF OTHER NR 3 BEARINGS ARE BEING MONITORED THROUGHOUT THE INDUSTRY.

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