# SDR UIEA2021092402107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2021
- Submitted: September 27, 2021
- Operation: Air carrier
- Aircraft: [N1373A](https://openairdocs.org/aircraft/N1373A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27205
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Outflow Valve
- Condition: Closed
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021092402107

## Discrepancy

AUTO 1 AND AUTO 2 CABIN PRESSURE INOP. OUTFLOW VALVE DOOR KEEPS CLOSING UNCOMMANDED.(<P>PERF FIM 21-31 FT 803 CABIN PRESSURE BITE NO FAULTS WHERE FOUND. RESET CONTROLLER AND EVERY MODE OPERATES NORMAL.</P>)

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