# SDR REXA2017012600123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2017
- Submitted: January 30, 2017
- Operation: Air carrier
- Aircraft: [N924XJ](https://openairdocs.org/aircraft/N924XJ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15179
- Aircraft time: 21,618 hours, 13,876 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: Failed
- 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/REXA2017012600123

## Discrepancy

FO O2 MASK IS NOT WORKING PROPERLY ON THE TEST. DEFERRED OBSERVER'S OXYGEN SYS IAW MEL 35-10-1. R&R OBS O2 MASK IAW AMM 35-11-12. OPS CHECK PASSED.

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