# SDR SIMA20140727001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2014
- Submitted: July 30, 2014
- Operation: Air carrier
- Aircraft: [N931AE](https://openairdocs.org/aircraft/N931AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500912
- Aircraft time: 24,126 hours, 20,147 cycles
- Engine: Rroyce AE3007A12
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Condition: Failed
- Location: Rt Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20140727001

## Discrepancy

FROM REDUCING THRUST AT CRUISE FOR DECENT HEARD & FELT A LOUD BANG.  FLIGHT ATTENDANT REPORTS LOUDEST IN CTR OF CABIN.  ENGINE INDICATIONS ALL NORMAL DURING CRUISE, POSSIBLE COMPRESSOR STALL.  TROUBLESHOT IAW FIM 72-00-00-810-817.  R & R RT ENGINE 9TH STAGE VALVE IAW NRWC 931-SGF-01852.  ACCOMPLISHED HIGH POWER RUNS, NO DEFECTS NOTED IAW RR MM 72-00-00-790-002.

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