What was found
OBSERVER`S O2 MASK WILL NOT SHUT OFF. FOUND 1ST OBS O2 MASK LEAKING AT HARNESS. REPLACED FIRST OBS O2 MASK, OPS CHECKED NORMAL.
- Difficulty date
- December 25, 2007
- Submitted
- December 26, 2007
- Operation
- Air carrier
- Aircraft
- N557UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26653
- Aircraft time
- 54,036 hours, 17,791 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MC1019101
- Condition
- Faulty
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- W
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.