# SDR C1HA200281002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2002
- Submitted: March 19, 2002
- Operation: Air carrier
- Aircraft: [N681CA](https://openairdocs.org/aircraft/N681CA), registered now
- Make and model: Boeing 727-2S7
- Registry model: [Boeing 727-2S7](https://openairdocs.org/model/boeing-727-2s7) (OpenAirDocs)
- Aircraft serial: 22020
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 7638101
- Part serial: 78122605
- Condition: Failed
- 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/C1HA200281002

## Discrepancy

AT FL 310, CABIN BEGAN TO CLIMB SLOWLY, UNABLE TO MOVE CABIN AIR OUTFLOW VALVE IN AUTO, STBY, OR MAN AC/DC.  DIVERTED TO DEN, LANDED UNEVENTFULLY.  REMOVED AND REPLACED PRESS CONTROLLER IAW MM 21-31-00 AND PRESS SELECTOR PANEL IAW MM 21-31-00, OPS CHECK NORMAL IAW MM 21-31-00.

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