Service difficulty report · Oxygen Mask · Boeing 777222

Difficulty date
September 7, 2007
Submitted
September 11, 2007
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
25,824 hours, 5,916 cycles
Engine
Pwa PW4077
Part
Oxygen Mask
Condition
Leaking
Location
Cockpit
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

OXYGEN MASK PROBLEM CREW COMMENTS: CAP OXYGEN MASK LEAKS. 10-11-07 REPLACED CAPTAIN'S OXYGEN MASK. LEAK CHECKS GOOD. OK FOR SERVICE. SUSPECT PRESSURIZATION CYCLES & CARELESS STOWAGE CAUSED THE LEAKAGE.