# SDR CNMA201902120002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2019
- Submitted: February 12, 2019
- Operation: Air carrier
- Aircraft: [N351AX](https://openairdocs.org/aircraft/N351AX), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 27908
- Aircraft time: 86,658 hours, 13,228 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 202248013
- Part serial: 482362
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CNMA201902120002

## Discrepancy

YELLOW CABIN AUTO INOP ICAS MESSAGE. WHITE CABIN  ALT AUTO 2 AND AUTO 1 STATUS MESSAGES. MANUAL CONTROL INOP.   CORRECTED ACTION: T/S TO OUTFLOW VALVE ACTUATOR. REMOVED AND REPLACED ACTUATOR IAW B763 AMM CH 21-31. OPS CHECK SATISFACTORY.

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