Service difficulty report · Power Supply · Boeing 747451

Difficulty date
October 4, 2011
Submitted
October 5, 2011
Operation
Air carrier
Aircraft
N675NW
Make and model
Boeing 747451
Aircraft serial
33001
Aircraft time
43,055 hours, 5,460 cycles
Part
Power Supply
Condition
Inoperative
Location
Cabin
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

DURING A MAINTENANCE VISIT, THE LEFT WING AFT SIDE EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY. SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED.