# SDR 2002UALA01709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2002
- Submitted: February 4, 2003
- Operation: Air carrier
- Aircraft: N516UA
- Make and model: Boeing 757222
- Aircraft serial: 24860
- Aircraft time: 41,389 hours, 15,602 cycles
- Engine: Pwa PW2037
- Engine time: 12,351 hours, 7,491 cycles
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Blades
- Part number: 1B6322002
- Part serial: DKLBAM2594
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 29,887 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002UALA01709

## Discrepancy

NR 1 ENGINE COMPRESSOR STALL AT FL200, ENGINE SELF RECOVERED.  ENGINE WAS REMOVED FOR METAL IN THE TAILPIPE, IT HAD A NORMAL ECM TREND PLOT.  AT ENGINE TEARDOWN, A STAGE 2 TURBINE BLADE FAILURE  WAS FOUND TO BE THE CAUSE.

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