Service difficulty report · Power Supply · Boeing 777223

Difficulty date
August 12, 2020
Submitted
August 14, 2020
Operation
Air carrier
Aircraft
N768AA
Make and model
Boeing 777223
Aircraft serial
33540
Aircraft time
55,623 hours, 6,636 cycles
Part
Power Supply
Part number
D71702001
Part serial
6585
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

AIRCRAFT IN BASE MAINTENANCE - L1 DOOR, EMERGENCY POWER SUPPLY (M33424) BATTERY PACK DRAINED. REMOVED AND REPLACED EMERGENCY POWER SUPPLY M33424 PER AMM 33-51-06-960-803, OPERATIONAL CHECK GOOD.