# SDR WX0A201906073396

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2019
- Submitted: June 7, 2019
- Operation: Air carrier
- Aircraft: [N235NV](https://openairdocs.org/aircraft/N235NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1130
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Regulator
- Part number: RCF6708
- Part serial: 10568
- Condition: Malfunctioned
- Location: Crew Oxygen
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A201906073396

## Discrepancy

(EMERGENCY DECLARED) IN CRUISE RECEIVED UNCOMMANDED O2 FLOW FROM FIRST OFFICERS MASK AT EXCESSIVE RATE. BLINKER LIGHTS ACTIVATED ON ALL OTHER MASKS O2 DEPLETED / REMOVED AND REPLACED PRESSURE REGULATOR"

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