Service difficulty report · Power Supply · Boeing 747422

Difficulty date
October 15, 2010
Submitted
October 20, 2010
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
48,480 hours, 5,733 cycles
Engine
Pwa PW4056
Part
Power Supply
Condition
Inoperative
Location
Emergency Lights
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

DOOR 1R EMERGENCY EXIT LIGHTS WILL NOT EXTINGUISH. REPLACED POWER SUPPLY, OPS CHECK OK.