Service difficulty report · Power Supply · Boeing 777223

Difficulty date
October 20, 2020
Submitted
October 22, 2020
Operation
Air carrier
Aircraft
N755AN
Make and model
Boeing 777223
Aircraft serial
30263
Aircraft time
75,767 hours, 9,515 cycles
Part
Power Supply
Part number
D71702001
Part serial
117405
Condition
Failed
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

AIRCRAFT IN BASE MAINTENANCE. 3R DOOR EMERGENCY LIGHT POWER SUPPLY MODULE M33404 INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY MODULE M33404 AT DOOR 3R OPERATIONS CHECK GOOD, PER AMM 33-51-06.