# SDR CNMA202403210003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2024
- Submitted: March 21, 2024
- Operation: Air carrier
- Aircraft: [N828AX](https://openairdocs.org/aircraft/N828AX), registered now
- Make and model: Boeing 777-2U8
- Registry model: [Boeing 777-2U8](https://openairdocs.org/model/boeing-777-2u8) (OpenAirDocs)
- Aircraft serial: 33682
- Aircraft time: 54,584 hours, 9,496 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Part number: 21191602
- Part serial: 211916000023
- Condition: Faulted
- Location: Cabin Pressure
- Part time: 18,895 hours, 3,614 cycles
- Stage of operation: CL
- 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/CNMA202403210003

## Discrepancy

CABIN ALTITUDE WARNING - EICAS MESSAGE @ 10650'. CABIN WOULD NOT PRESSURIZE.

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