Service difficulty report · Power Supply · Boeing 777323

Difficulty date
July 26, 2022
Submitted
July 27, 2022
Operation
Air carrier
Aircraft
N719AN
Make and model
Boeing 777323
Aircraft serial
41668
Aircraft time
37,620 hours, 4,425 cycles
Part
Power Supply
Part number
D71702001
Condition
Faulty
Location
Zone 200 - Fuse
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 WAS NOT GROUNDED: EMERGENCY EXIT SIGNS AT DOOR 5L WILL NOT ILLUMINATE DURING EMERGENCY LIGHTS TEST. REPLACED EMERGENCY LIGHTS BATTERY PACK POWER SUPPLY M33407 PER AMM 33-51-06.