# SDR USAA2012011000022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2012
- Submitted: January 11, 2012
- Operation: Air carrier
- Aircraft: N632AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 81
- Aircraft time: 70,869 hours, 31,534 cycles
- Engine: Iae V2500A1
- Engine time: 62,991 hours, 28,169 cycles
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Actuator
- Part number: 1666MK5
- Part serial: 1666311
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 54,701 hours, 24,546 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, M, J
- Precautionary procedure: E, F, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012011000022

## Discrepancy

UPON THRUST REDUCTION TO CLIMB, NR 2 ENGINE HAD TWO COMPRESSOR STALLS BEFORE THRUST LEVER COULD BE MOVED TO IDLE.  EGT EXCEEDED LIMITS; ENG 2 FAIL ON ECAM.  NR 2 ENGINE WAS SHUTDOWN IAW ECAM ACTIONS, FIRE BOTTLE WAS DISCHARGED AND AIRCRAFT DIVERTED, (EMERGENCY DECLARED).  MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE.  FOUND THE BLEED VALVE MASTER ACTUATOR FAILED DUE TO HIGH LEVELS OF FUEL LACQUER ON PISTON AND LINER ASSEMBLIES AND TORQUE MOTOR FILTERS.

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