Service difficulty report · Power Supply · Boeing 777223

Difficulty date
September 23, 2025
Submitted
September 26, 2025
Operation
Air carrier
Aircraft
N776AN
Make and model
Boeing 777223
Aircraft serial
29582
Aircraft time
102,816 hours, 12,902 cycles
Part
Power Supply
Condition
Inoperative
Location
Zone 200
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 LIGHTS FROM SEATS 13 TO 24 ARE INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY BATTERY PACK M33401 AMM 33-51-06.