Service difficulty report · Power Supply · Boeing 747451

Difficulty date
December 25, 2013
Submitted
December 26, 2013
Operation
Air carrier
Aircraft
N668US
Make and model
Boeing 747451
Aircraft serial
24223
Aircraft time
100,274 hours, 12,397 cycles
Part
Power Supply
Condition
Inoperative
Location
Emergency Light
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

LEFT OVERWING EMERGENCY, LIGHT 3RD AND 4TH FROM FWD INOPERATIVE. REPLACED POWER SUPPLY & CKS OK IAW AMM 33-51.