Service difficulty report · Power Supply · Boeing 777323ER

Difficulty date
December 2, 2025
Submitted
December 3, 2025
Operation
Air carrier
Aircraft
N735AT
Make and model
Boeing 777323ER
Aircraft serial
32439
Aircraft time
40,799 hours, 4,712 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: OFAR EXIT SIGN IN THE COMMON MODULE AND EXIT SIGN BETWEEN BUNK NUMBER 4 AND BUNK NUMBER 6 LIGHT INOPERATIVE. REMOVED AND REPLACED RIGHT HAND OFAR BACKUP POWER SUPPLY. PER AMM 32-27-12. OPS CK GOOD, REF JC 72T20033001