# SDR R8BR2015FA0000170

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2015
- Submitted: April 30, 2015
- Operation: General aviation
- Aircraft: [N831WP](https://openairdocs.org/aircraft/N831WP), registered now
- Make and model: Beech 200BEECH
- Aircraft serial: BB569
- Engine: Pwa PT6A41
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 83149
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: NR
- 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/R8BR2015FA0000170

## Discrepancy

DURING A 2.5 HR FLIGHT, CONTROLLER FAILED TO CONTROL CABIN PRESSURIZATION,  ON PRESSURIZATION OF THE CABIN, CONTROLLER WENT TO MAX DIFFERENTIAL.

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