# SDR MTNA20221220001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2022
- Submitted: December 21, 2022
- Operation: Air carrier
- Aircraft: [N881FE](https://openairdocs.org/aircraft/N881FE), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 0204
- Aircraft time: 15,904 hours, 16,183 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF100407
- Part serial: SE71152
- Condition: Faulted
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA20221220001

## Discrepancy

OXYGEN MASK ONLY WORKS AT 100%. REPLACED O2 MASK ASSEMBLY. GROUND OPS CHECK GOOD.

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