Service difficulty report · Power Supply · Boeing 747451

Difficulty date
July 10, 2010
Submitted
July 12, 2010
Operation
Air carrier
Aircraft
N674US
Make and model
Boeing 747451
Aircraft serial
30269
Aircraft time
48,030 hours, 6,056 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 LINE CHECK, MAINTENANCE FOUND LEFT EXTERNAL EMERGENCY LIGHT (2ND FROM FRONT) INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY AND BATTERY PACK. OPERATIONAL CHECK WAS GOOD.