Service difficulty report · Power Supply · Boeing 777

Difficulty date
August 30, 2022
Submitted
August 31, 2022
Operation
Air carrier
Aircraft
N799AN
Make and model
Boeing 777
Aircraft serial
30258
Aircraft time
81,615 hours, 10,583 cycles
Part
Power Supply
Part number
D71702001
Part serial
10614
Condition
Inoperative
Location
Zone 200 - Fuse
Stage of operation
IN
How discovered
O
Nature of condition
O, S
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 LIGHTS BATTERY M33409 AT 4R DOOR FAILS TO HOLD CHARGE. REMOVED AND REPLACED POWER SUPPLY EMERGENCY LIGHTS BATTERY AT DOOR 4R M33409. PERFORMED OPERATIONS CHECK OPERATIONS CHECK GOOD IN ACCORDANCE WITH AMM 33-51-06-960-803, WDM 33-51-62.