# SDR DXTA200500994

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2005
- Submitted: October 3, 2005
- Operation: Air carrier
- Aircraft: [N918QS](https://openairdocs.org/aircraft/N918QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500223
- Aircraft time: 2,440 hours, 1,424 cycles
- Engine: Allsn AE3007C
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 6809125
- Part serial: FF261930
- Condition: Failed
- Location: Rt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200500994

## Discrepancy

ON INITIAL POWER UP FOR TAXI, RIGHT ENGINE MADE A LARGE THUMP AND SHUT ITSELF DOWN.  REMOVED UPPER, LOWER BLEED AIR VALVES & ACCELERATION BLEED VALVE.  INSTALLED NEW VALVES.  OPS CKED GOOD.  WORK DONE IAW ROLLS ROYCE AE3007C MM CH 75-31-10 & 75-31-15.

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