# SDR IPXA1B67755

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2011
- Submitted: July 8, 2011
- Operation: Air carrier
- Aircraft: [N582UP](https://openairdocs.org/aircraft/N582UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 29053
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Actuator
- Condition: Inoperative
- Location: Nr 3 Vsv
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA1B67755

## Discrepancy

IFSD - NR 3 ENGINE COMPRESSOR STALL.  EMERGENCY DECLARED FOUND VSV ACTUATOR INOPERATIVE.  REPLACED VSV ACTUATOR IAW AMM 75-31-02-4. OPS AND LEAK CHECK GOOD.

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