Service difficulty report · Power Supply · Boeing 747451

Difficulty date
September 18, 2016
Submitted
September 21, 2016
Operation
Air carrier
Aircraft
N674US
Make and model
Boeing 747451
Aircraft serial
30269
Aircraft time
68,986 hours, 8,522 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

EMERGENCY EXTERNAL LIGHTS AT LT 2ND AND RT 3RD POSITION ARE INOPERATIVE. REPLACED POWER SUPPLY. SYSTEM OPERATION IS NORMAL.