Service difficulty report · Power Supply · Boeing 747481

Difficulty date
July 13, 2017
Submitted
July 17, 2017
Operation
Air carrier
Aircraft
N429MC
Make and model
Boeing 747481
Aircraft serial
24833
Aircraft time
96,607 hours, 13,850 cycles
Part
Power Supply
Part number
900835A
Part serial
18368
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

ALL EMERGENCY LIGHTS FAILED TO STAY ON A MINIMUM OF 5 MINUTES. REMOVED AND REPLACED THE EMERGENCY LIGHT POWER SUPPLIES IAW AMM 33-51-04.