# SDR SWAA2012031602259

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2012
- Submitted: March 16, 2012
- Operation: Air carrier
- Aircraft: [N308SA](https://openairdocs.org/aircraft/N308SA), registered now
- Make and model: Boeing 737-3Y0
- Registry model: [Boeing 737-3Y0](https://openairdocs.org/model/boeing-737-3y0) (OpenAirDocs)
- Aircraft serial: 32468
- Aircraft time: 28,580 hours, 16,736 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 7638106
- Part serial: 8311675
- Condition: Faulty
- Location: Cabin Pressure
- Stage of operation: CL
- 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/SWAA2012031602259

## Discrepancy

DECLARED EMERGENCY - CABIN ALT HORN SOUNDED.  AUTO CONTROL INOP.  REMOVED AND REPLACED CABIN PRESSURE CONTROLLER PER MM.

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