What was found
F/O O2 MASK DEFECTIVE. REPLACED 2ND OBSERVERS O2 MASK ASSEMBLY. LEAK CHECKED GOOD PER AMM 35-11-18-401 ITEM 4. AC OK FOR SERVICE.
- Difficulty date
- October 16, 2007
- Submitted
- October 19, 2007
- Operation
- Air carrier
- Aircraft
- N187UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26877
- Aircraft time
- 60,107 hours, 7,192 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MC1019151
- Condition
- Defective
- 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.