What was found
WHEN PERFORMED THE JC8122E4040 FOUND CREW OXYGEN MASK LEAKAGE IN FLIGHT DECK. REPLACED WITH NEW MASK ASSY. PERFORMED TEST REF AMM 35-11-18 P411. TEST IS OK.
- Difficulty date
- December 4, 2012
- Submitted
- December 17, 2012
- Operation
- Air carrier
- Aircraft
- N180UA
- Make and model
- Boeing 747422
- Aircraft serial
- 25224
- Aircraft time
- 89,974 hours, 10,738 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MC1019151
- Part serial
- 358
- Condition
- Leaking
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.