SDR 2007UALA00513

Service difficulty report · Engine · Airbus A320232

Difficulty date: February 17, 2007
Submitted: February 27, 2007
Operation: Air carrier
Aircraft: N460UA
Make and model: Airbus A320232
Aircraft serial: 1248
Aircraft time: 22,774 hours, 9,242 cycles
Engine: Iae V2527A5
Engine time: 27,072 hours, 10,555 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Inoperative
Location: Nr 1
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

NR 1 ENGINE FAILED TO START. VALVE INDICATES OPEN. REPLACED STARTER DUE TO FAILURE. UPON FURTHER TEARDOWN, FOUND THAT THE TURBINE WHEEL BEARING HAD FAILED CAUSING DAMAGE TO THE INLET HOUSING, CAGE, TURBINE WHEEL AND CLUSTER GEARS. THE START VALVE WAS ALSO REPLACED AS A PRECAUTIONARY MEASURE.

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