What was found
CREW O2 NOW 980 SUSPECT POSSIBLE LEAK. FOUND FIRST OBSERVERS SEAT CREW MASK LEAKING. REPLACED MASK. ALL ACCESSIBLE FITTINGS IN NOSE TUNNEL FROM BOTTLE TO FLOOR LINE & OTHER CREW MASKS WERE LEAK CHECKED, NO ADDITIONAL LEAKS FOUND.
- Difficulty date
- October 9, 2013
- Submitted
- October 10, 2013
- Operation
- Air carrier
- Aircraft
- N225UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30554
- Aircraft time
- 49,496 hours, 5,971 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Condition
- Leaking
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.