# SDR 99UAL900637

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 1999
- Submitted: October 9, 2000
- Operation: Air carrier
- Aircraft: N590UA
- Make and model: Boeing 757222
- Aircraft serial: 28708
- Aircraft time: 8,015 hours, 2,273 cycles
- Engine: Pwa PW2037
- Engine time: 8,015 hours, 2,273 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Stator
- Condition: Failed
- Location: Compressor
- Part time: 8,015 hours, 2,273 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900637

## Discrepancy

DIVERTED TO DEN DUE TO NR 1 ENGINE COMPRESSOR STALLS.  *S/D*  AFTER LANDING AT DEN METAL WAS FOUND IN THE TAILPIPE AND THE ENGINE WAS REPLACED AND SENT TO THE SHOP FOR INVESTIGATION AND REPAIR.  SHOP DISASSEMBLY FINDING WAS A FAILED 10TH STAGE STATOR THIS FAILURE MODE IS UNDER INDUSTRY INVESTIGATION BY PWA EAST HARTFORD.

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