As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B777-25-3-7170 L3 DOOR M33406 EMER BATTERY PACK FOUND BATTERY "LOW" TRANSFER REF HXWO 1015854 AND ORIGINATED BY EMP V896975 L3 DOOR M33406 EMER BATTERY PACK REPLACED AND OP TEST CARRIED OUT WITH NORMAL IAW AMM 33-51-06 WORK ACCOMPLISHED BY MECHANIC V896975 INSPECTED BY V926996 IDT INSPECTED BY HX107723 ADD EMP:V907050