# SDR 2003UALA00728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2003
- Submitted: October 7, 2003
- Operation: Air carrier
- Aircraft: [N656UA](https://openairdocs.org/aircraft/N656UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25394
- Engine: Pwa PW4060
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Stalled
- Location: Nr 2 Engine
- Stage of operation: UK
- How discovered: O
- Nature of condition: R
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003UALA00728

## Discrepancy

CANCELLED DUE TO NR 2 ENGINE COMPRESSOR STALL AT FL210.  ENGINE SURGED ABOVE 1.25 EPR AND WAS REMOVED. SURGE CHECKS SHOWED NO IRREGULARITIES AND ENGINE PASSED TEST-21. PILOT REPORT STATED THAT AIRCRAFT HAD WAKE TURBULENCE DURING CLIMB.

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