# SDR PNSA2014120502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2014
- Submitted: December 8, 2014
- Operation: Air carrier
- Aircraft: [N675PA](https://openairdocs.org/aircraft/N675PA), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 206
- Aircraft time: 53,308 hours, 38,152 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 21179662
- Part serial: 102552
- Condition: Failed
- Location: Cabin Pressure
- Part time: 21,961 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/PNSA2014120502

## Discrepancy

AUTO MODE PRESSURIZATION FAILED AT FLIGHT LEVEL 220.  CREW DESCENDED TO A SAFE ALTITUDE & RETURNED.  CABIN PRESS CONTROLLER REPLACED WITH SERVICEABLE SPARE.  OPERATIONS CHECKED GOOD.

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