# SDR BB05096

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2005
- Submitted: November 1, 2005
- Operation: Air carrier
- Aircraft: N614AU
- Make and model: Boeing 757225
- Aircraft serial: 27145
- Engine: Rroyce RB211*
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Controller
- Part number: C8E3812
- Part serial: 2925
- Condition: Failed
- Location: Lt Bleed Valve
- Stage of operation: DE
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BB05096

## Discrepancy

ON DESCENT, VIBRATIONS WERE FELT FROM THE LEFT ENGINE.  MAINTENANCE REPLACED THE NR 1 BLEED VALVE CONTROLLER.

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