Service difficulty report · Power Supply · Boeing 747451

Difficulty date
April 3, 2009
Submitted
April 7, 2009
Operation
Air carrier
Aircraft
N669US
Make and model
Boeing 747451
Aircraft serial
24224
Part
Power Supply
Condition
Failed
Location
Emergency Lights
Stage of operation
IN
How discovered
V
Nature of condition
O
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 FOUND OVERHEAD EMERGENCY EXIT SIGN INOP AT UPPER DECK STATION 720. MX REMOVED AND REPLACED POWER SUPPLY, AND BATTERY. OPERATIONAL CHECKED GOOD, AND ACFT WAS RETURNED TO SERVICE. (K)