# SDR REXA2017020600185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2017
- Submitted: February 10, 2017
- Operation: Air carrier
- Aircraft: [N8946A](https://openairdocs.org/aircraft/N8946A), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7946
- Aircraft time: 18,279 hours, 17,824 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: NR
- 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/REXA2017020600185

## Discrepancy

OBSERVER'S OXYGEN MASK FAILED TEST. HARNESS EITHER STAYS INFLATED OR STAYS DEFLATED. BUT IT WON'T BOTH.  REMOVED & REPLACED THE OXYGEN MASK IAW AMM 35-11-12. OPS TEST AND LEAK CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.