# SDR IPXA2024012052414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2024
- Submitted: January 22, 2024
- Operation: Air carrier
- Aircraft: [N322UP](https://openairdocs.org/aircraft/N322UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27748
- Aircraft time: 67,294 hours, 22,492 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Part number: UNKNOWN
- Condition: Faulted
- Location: Unknown
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024012052414

## Discrepancy

*ETOPS FILED OPEN* STATUS MSG CABIN ALT AUTO 2 APPEARED ENROUTE AT CRUISE ALTITUDE WHILE SWITCH WAS IN AUTO 2 DEFERRED CABIN ALT AUTO 2 INOP PER MEL 21-31-1A. PLACARD INST.

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