# SDR CA050317001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2005
- Submitted: May 2, 2005
- Operation: General aviation
- Make and model: Beech C90
- Registry model: [Beech C90](https://openairdocs.org/model/beech-c90) (OpenAirDocs)
- Aircraft time: 8,294 hours
- Engine: Pwa PT6A21
- Propeller: Hartzl HCB3TN3
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Diaphragm
- Part number: 310082903
- Condition: Ruptured
- Location: Bleed Valve
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA050317001

## Discrepancy

(CAN) ENGINE UNABLE TO ACHIEVE TAKEOFF POWER/TORQUE DUE TO BLEED VALVE NOT CLOSING FULLY.  COMPRESSOR BLEED VALVE DIAPHRAM FOUND RUPTURED.

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