# SDR 97UAL900365

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N184UA
- Make and model: Boeing 747422
- Aircraft serial: 25380
- Engine: Pwa PW4056
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 3
- Part time: 13,615 hours
- Stage of operation: TO
- Nature of condition: R
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900365

## Discrepancy

TAKEOFF ABORTED DUE TO NR 3 ENGINE COMPRESSOR STALL.  *S/D*  ENGINE SURGED ON TAKEOFF DUE TO GENERAL DETERIORATION OF THE HIGH PRESSURE COMPRESSOR AND EXCESSIVE BLADE TIP CLEARANCE.  REMOVED AND REPLACED ENGINE.

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