What was found
(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"
- Difficulty date
- June 5, 2019
- Submitted
- June 7, 2019
- Operation
- Air carrier
- Aircraft
- N235NV
- Make and model
- Airbus A320214
- Aircraft serial
- 1130
- System (JASC)
- 3510 · Crew Oxygen System
- 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
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.