What was found
OXYGEN MASK HOSE DEFECTIVE AT2 (1=CAPT, 2=1ST OF, 3= 1ST OBS). FIRST OFFICER OXYGEN HOSE AROUND HEAD POPPED WHEN DONNED AND DOESN'T HOLD AIR. REPLACED MASK ASSY.
- Difficulty date
- July 26, 2012
- Submitted
- July 30, 2012
- Operation
- Air carrier
- Aircraft
- N521UA
- Make and model
- Boeing 757222
- Aircraft serial
- 24891
- Aircraft time
- 71,296 hours, 26,599 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Hose
- Condition
- Defective
- Location
- Oxygen Mask
- 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.