Service difficulty report · Oxygen Mask · Boeing 777222

Difficulty date
December 24, 2008
Submitted
December 26, 2008
Operation
Air carrier
Aircraft
N786UA
Make and model
Boeing 777222
Aircraft serial
26938
Aircraft time
51,394 hours, 7,610 cycles
Engine
Pwa PW40903
Part
Oxygen Mask
Part number
MF20003
Condition
Faulty
Location
Cockpit
Stage of operation
IN
How discovered
C
Nature of condition
W
Precautionary procedure
O

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

What was found

OBSERVER O2 MASK EMERGENCY BUTTON STICKING. CREW O2 HAS A HISTORY OF BEING LOW. SUSPECT MASK. REPLACED O2 MASK.