Service difficulty report · Switch · Boeing 757222

Difficulty date
July 20, 2010
Submitted
August 11, 2010
Operation
Air carrier
Aircraft
N539UA
Make and model
Boeing 757222
Aircraft serial
25223
Aircraft time
63,428 hours, 23,260 cycles
Engine
Pwa PW2040
Part
Switch
Part number
MXP147
Condition
Inoperative
Location
Oxygen Mask
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

CAPT'S OXYGEN MASK TEST SWITCH INOP. REPLACED CAPT'S CREW OXYGEN MASK STOWAGE BOX AND CHECKED OK.