What was found
F/O OXYGEN MASK EXHALE VALVE DOES NOT OPEN PROPERLY WHEN F/O BREATHES. REPLACED CREW OXYGEN STOWAGE BOX PER AMM, CHECK'S OK.
- Difficulty date
- February 26, 2013
- Submitted
- February 28, 2013
- Operation
- Air carrier
- Aircraft
- N589UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28707
- Aircraft time
- 60,073 hours, 16,807 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Stowage Box
- Part number
- MXP147
- Condition
- Faulty
- Location
- Cockpit
- 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.