What was found
CAPTAIN'S FWD O2 MASK WILL NOT TEST PROPERLY. AIR WILL KEEP FLOWING WHEN MASK SWITCH IS PUT IN EMERGENCY POSITION. REPLACED MASK, OPS CHECKED OK.
- Difficulty date
- July 19, 2013
- Submitted
- July 25, 2013
- Operation
- Air carrier
- Aircraft
- N412UA
- Make and model
- Airbus A320232
- Aircraft serial
- 465
- Aircraft time
- 66,076 hours, 24,119 cycles
- Engine
- Iae V2527A5
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MF20534
- Part serial
- 181
- Condition
- No Test
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.