As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR 3L EMERGENCY LIGHT CB TRIPPED OPEN AFTER BATTERY DEEP CYCLE TEST REF HAECO NON-ROUTINE NO 9453159. SPEC NO. B777-33-3-7019 REPLACED DOOR 3L EMERGENCY LIGHT POWER SUPPLY CHARGER AND BATTERY PACK AND PERFORMED TEST OF NEW POWER SUPPLY ASSEMBLY AS PER AMM 33-51-06-960-802 AND AMM 33-51-06-960-803 REV 92A.TEST RESULT NORMAL.