Service difficulty report · Oxygen Mask · Boeing 777222

Difficulty date
July 27, 2007
Submitted
August 8, 2007
Operation
Air carrier
Aircraft
N776UA
Make and model
Boeing 777222
Aircraft serial
26937
Aircraft time
45,755 hours, 8,662 cycles
Engine
Pwa PW4077
Part
Oxygen Mask
Condition
Leaking
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.

What was found

OXYGEN MASK PROBLEM CREW COMMENTS: F/O MASK HARNESS LEAKS WHEN HARNESS INFLATED. REPLACED FIRST OFFICER'S O2 MASK PER MM. SUSPECT LEAK DUE TO INFLATION CYCLING OF HARNESS.