# SDR 99UAL900564

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N933UA](https://openairdocs.org/aircraft/N933UA), registered now
- Make and model: Boeing 737522
- Aircraft serial: 26659
- Engine: Ge CFM56*
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Damaged
- Location: Nr 1 Engine
- Stage of operation: TO
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900564

## Discrepancy

DURING CLIMBOUT, THE NUMBER ONE ENGINE STALLED THREE TIMES.  REDUCED POWER TO IDLE AND THE ENGINE STABILIZED.  THE CREW REPORTED NO EXCEEDED LIMITS.  *S/D*  BORESCOPE THE ENGINE AND DISCOVERED THAT THE HIGH PRESSURE COMPRESSOR WAS DAMAGED BEYOND SERVICEABLE LIMITS.  REPLACED THE ENGINE.

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