Service difficulty report · Power Supply · Boeing 777323ER

Difficulty date
March 1, 2022
Submitted
March 7, 2022
Operation
Air carrier
Aircraft
N717AN
Make and model
Boeing 777323ER
Aircraft serial
31543
Aircraft time
34,681 hours, 4,122 cycles
Part
Power Supply
Part number
D71702001
Part serial
9485
Condition
Inoperative
Location
Zone 200 - Fuse
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

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY BACKUP BATTERY M33118 FAILS TO HOLD CHARGE FOR OVERHEAD FLIGHT CREW REST LIGHTING. REPLACED POWER SUPPLY AND BATTERY PACK (AALA202203070774) (M33118) PER AMM 33-29-10.