Service difficulty report · Power Supply · Boeing 747451

Difficulty date
February 23, 2010
Submitted
February 24, 2010
Operation
Air carrier
Aircraft
N669US
Make and model
Boeing 747451
Aircraft serial
24224
Aircraft time
84,504 hours, 10,363 cycles
Part
Power Supply
Condition
Inoperative
Location
Emergency Lights
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 LAYOVER CHECK, MX FOUND 2 RT OVERWING EMERGENCY LIGHTS INOPERATIVE. MX REPLACED THE POWER SUPPLY AND BATTERY. OPS CHECK WAS GOOD.