What was found
F/O'S OXYGEN HARNESS FAILS TO INFLATE (LEAKING). MASK FAILED TO INFLATE DURING TEST. SWAPPED F/O O2 MASK WITH 1ST OBS SEAT REF AMM. F/O O2 MASK HARNESS INFLATES NORMALLY. 1ST OBS MASK INOPERATIVE.
- Difficulty date
- July 14, 2011
- Submitted
- August 3, 2011
- Operation
- Air carrier
- Aircraft
- N810UA
- Make and model
- Airbus A319131
- Aircraft serial
- 843
- Aircraft time
- 45,056 hours, 17,853 cycles
- Engine
- Iae V2522A5
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MF20534
- Part serial
- 442
- Condition
- Failed
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.