# SDR WX0A2014112472277

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2014
- Submitted: November 24, 2014
- Operation: Air carrier
- Aircraft: N404NV
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49765
- Aircraft time: 63,238 hours, 41,296 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: 3581432V1
- Condition: Defective
- Location: Cockpit
- 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/WX0A2014112472277

## Discrepancy

FIRST OFFICER SAYS DIFFICULT TO EXHALE IN O2 MASK.  REPLACED IAW AMM 35-10-03.

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