- Difficulty date
- January 19, 2012
- Submitted
- February 20, 2012
- Operation
- Air carrier
- Make and model
- Boeing 747422
- Aircraft serial
- 25279
- Aircraft time
- 85,991 hours, 10,445 cycles
- Engine
- Pwa PW4056
- Part
- Cylinder
- Part number
- 89151114
- Condition
- Low Pressure
- Location
- Crew O2
- Stage of operation
- NR
- 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.
What was found
CREW O2 PRESS LOW 1530 PSI. REPLACED OXYGEN CYLINDER PER AMM, CHK'D OKAY.