# SDR I5PA2020121575703

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2020
- Submitted: December 30, 2020
- Operation: Air carrier
- Aircraft: [N757QM](https://openairdocs.org/aircraft/N757QM), registered now
- Make and model: Boeing 757-29J
- Registry model: [Boeing 757-29J](https://openairdocs.org/model/boeing-757-29j) (OpenAirDocs)
- Aircraft serial: 27203
- Aircraft time: 60,616 hours, 32,772 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Actuator
- Part number: 20210202248011
- Part serial: 104396
- Condition: Faulted
- Location: Outflow Valve
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5PA2020121575703

## Discrepancy

CABIN AUTO INOP IN CLIMB (AIR RETURN).  REMOVED AND REPLACED OUTFLOW VALVE ACTUATOR, PER AMM 21-31-05.  PERFORMED AUTO 2 CABIN PRESSURE CONTROLLER POST INSTALLATION TEST, PER AMM 21-31-02 SATISFACTORY.

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