# SDR 2009FA0000292

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2009
- Submitted: April 9, 2009
- Operation: General aviation
- Aircraft: [N636B](https://openairdocs.org/aircraft/N636B), registered now
- Make and model: Beech A200
- Registry model: [Beech A200](https://openairdocs.org/model/beech-a200) (OpenAirDocs)
- Aircraft serial: BC61
- Aircraft time: 15,407 hours, 15,066 cycles
- Engine: Pwa PT6*
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Flow Valve
- Part number: 10138001315
- Part serial: 557
- Condition: Failed
- Location: Cabin Pressure
- Part time: 756 hours, 720 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000292

## Discrepancy

DURING CLIMB TO ALTITUDE CABIN FAILED TO MAKE MAXIMUM DIFFERENTIAL PRESSURE AND HAD A HIGHER THAN NORMAL CABIN. FOUND A P3 AIR TUBE DISSCONNECTED AT RT HEAT EXCHANGER IN RT WING. ON MX FLIGHT FOUND LT FLOW CONTROL VALVE WEAK. REPLACED DUCT AND FLOW CONTROL VALVE.

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