# SDR 99UAL900374

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N563UA
- Make and model: Boeing 757222
- Aircraft serial: 26665
- Engine: Pwa PW2037
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Left
- Stage of operation: DE
- Nature of condition: E, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900374

## Discrepancy

DURING DESCENT FROM 10,000 FT, LEFT ENGINE WENT TO 3.2 VIBES ON DESCENT.  DURING SHUTDOWN MADE MOANING NOISE AND VIBRATION FELT THROUGH AIRFRAME.  ENGINE SUFFERED A FAILURE OF A HPT 2ND STAGE BLADE.  THE ENGINE WAS REPLACED.

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