Service difficulty report · Power Supply · Boeing 747451

Difficulty date
August 9, 2017
Submitted
August 10, 2017
Operation
Air carrier
Aircraft
N668US
Make and model
Boeing 747451
Aircraft serial
24223
Aircraft time
113,890 hours, 13,955 cycles
Part
Power Supply
Condition
Inoperative
Location
Emergency Lights
Stage of operation
IN
How discovered
9
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

RIGHT FWD TWO EXTERIOR EMERGENCY LIGHTS INOPERATIVE. REPLACED THE POWER SUPPLY, CHECKED OK IAW MM 33-51.