Service difficulty report · Power Supply · Boeing 747451

Difficulty date
December 12, 2009
Submitted
December 14, 2009
Operation
Air carrier
Aircraft
N665US
Make and model
Boeing 747451
Aircraft serial
23820
Aircraft time
87,073 hours, 10,855 cycles
Part
Power Supply
Condition
Discharged
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 OVERNIGHT CHECK, MAINTENANCE FOUND DOOR 4 RIGHT EMERGENCY EXIT LIGHT INOPERATIVE. MAINTENANCE REPLACED M7922 POWER SUPPLY WITH BATTERY AND SECURED CONNECTIONS D11418P & D13637. OPERATIONAL CHECKS GOOD.