# SDR AWXA200300698

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2003
- Submitted: November 21, 2003
- Operation: Air carrier
- Aircraft: N624AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 55
- Aircraft time: 43,417 hours, 19,877 cycles
- Engine: Iae V2500A1
- Engine time: 36,902 hours, 16,759 cycles
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Actuator
- Condition: Loose
- Location: Vari Stator Vane
- Stage of operation: CL
- How discovered: O
- Nature of condition: X, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA200300698

## Discrepancy

TEARDOWN REPORT OF ENG IDENTIFIED HIGH INTERNAL LEAKAGE AT VSV ACT ALONG WITH SLOW PISTON VELOCITY. TEARDOWN REVEALED THAT CONTROL SERVO VALVE & SEAL WERE WORN BEYOND LIMITS & CAUSED INTERNAL LEAKAGE AT VSV ACT. FAILURE MODE & EFFECTS ANALYSIS CONSIDER THIS A MAJOR FAILURE & WOULD RESULT IN CSV TO M

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