# SDR NSVA201007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2010
- Submitted: January 15, 2010
- Operation: Air carrier
- Aircraft: N204WQ
- Make and model: Bombdr DHC8402
- Aircraft serial: 4204
- Aircraft time: 3,862 hours, 3,810 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Microphone
- Condition: Inoperative
- Location: O2 Mask
- Component: Oxygen Mask
- Component part number: 17426008
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NSVA201007

## Discrepancy

CAPTAINS O2 MASK MICROPHONE INOPERATIVE IN ALL MODES INCLUDING EMERGENCY MODE.  O2 MASK WAS REPLACED AND OPERATIONAL CHECK IS 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.