What was found
OXY FOR PAX PRESSURE IS LOW (1650 PSI). REPLACED 4 BOTTLE PAX O2. CHECKED PRESSURE NOW 1730 PSI PER MM.
- Difficulty date
- November 29, 2012
- Submitted
- January 28, 2013
- Operation
- Air carrier
- Aircraft
- N179UA
- Make and model
- Boeing 747422
- Aircraft serial
- 25158
- Aircraft time
- 90,279 hours, 10,863 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Bottle
- Condition
- Low Pressure
- Location
- Pax Oxygen
- 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.