What was found
OXYGEN MASK DEFECTIVE AT1.(1=CAPT,2=1ST OFF,3=1ST OBS) SWAPPED CAPT AND 1ST OBSERVER O2 MASK OPS CHECKS 1ST OBSERVER SEAT PLACED INOP. REPLACED OBSERVERS MASK. LEAK AND OPS CHECK NORMAL.
- Difficulty date
- March 9, 2013
- Submitted
- April 25, 2013
- Operation
- Air carrier
- Aircraft
- N558UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26654
- Aircraft time
- 67,403 hours, 24,792 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MC1019151
- Part serial
- 5835
- Condition
- Defective
- 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.