Service difficulty report · Oxygen Mask · Boeing 777222

Difficulty date
May 31, 2011
Submitted
June 1, 2011
Operation
Air carrier
Aircraft
N204UA
Make and model
Boeing 777222
Aircraft serial
28713
Aircraft time
55,601 hours, 7,899 cycles
Engine
Pwa PW40903
Part
Oxygen Mask
Part number
MF20003
Part serial
181
Condition
Faulty
Location
Cockpit
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

CAPTAIN'S O2 MASK WILL OFTEN NOT RELEASE FROM FACE WHEN SQUEEZING TRIGGERS. REPLACED CAPTS O2 MASK PER AMM.