What was found
DURING ROUTINE MAINTENACE, FOUND FIRST OFFICERS OXYGEN MASK TO BE BROKEN. REPLACED F/O OXYGEN MASK IAW MM.
- Difficulty date
- August 21, 2011
- Submitted
- August 23, 2011
- Operation
- Air carrier
- Aircraft
- N122UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29168
- Aircraft time
- 50,232 hours, 5,992 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Condition
- Broken
- 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.