# SDR SWAA116859

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2011
- Submitted: October 3, 2011
- Operation: Air carrier
- Aircraft: N314SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23336
- Aircraft time: 80,971 hours, 74,290 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 7638102
- Part serial: 87022729
- Condition: Faulty
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA116859

## Discrepancy

AIR TURNBACK - CABIN ALTITUDE WOULD NOT CLIMB AT ALL IN AUTO.  REMOVED AND REPLACED CABIN PRESSURE CONTROLLER PER MM.

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