- Difficulty date
- June 11, 2013
- Submitted
- June 26, 2013
- Operation
- Air carrier
- Aircraft
- N104UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26902
- Aircraft time
- 63,094 hours, 7,323 cycles
- Engine
- Pwa PW4056
- Part
- Cylinder
- Part number
- 89151114
- Condition
- Low Pressure
- Location
- Crew Oxygen
- 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.
What was found
FOUND CREW O2 LOW. REPLACED CREW O2 CYLINDER AND PRESSURE NORMAL.