# SDR REXA2017011300044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2017
- Submitted: January 17, 2017
- Operation: Air carrier
- Aircraft: [N8943A](https://openairdocs.org/aircraft/N8943A), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7943
- Aircraft time: 19,736 hours, 19,203 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/REXA2017011300044

## Discrepancy

OBSERVER'S O2 MASK INOP. DEFERRED OBSERVER'S O2 MASK IAW MEL 35-10-01 CAT 'A'. REMOVED AND REPLACED OBSERVER 02 MASK IAW AMM 35-11-12. OPS CHECK GOOD.

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