As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT BATTERY PACK DEEP CYCLY TEST FOUND DOOR L3 (M334 00) EMERGENCY LT CAN NOT STAY ON FOR 15 MINUTES REFER HAECO NON- ROUTINE NO.9495089 - ORIGINATED BY EMP V905359 SPEC NO.B777-33-3 -7019 REPLACED THE M33400 BATTERY PACK AND TEST FOUND NORMAL AS PER AM M 33-51-06-960-802 REV 96,PERFORMED BY EMP V905359,IDT BY EMP V9 05466.(MFG PN ON:ADD717-01-100 SN ON:227920 SN OFF:289060)