As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFER NR L/P 9474214 - SPEC NO. B777-33-3-6019 - TEST FOUDN EMER GENCY LT BATTERY DM33096 CAPACITY LOW. CAB DR 2L FWD EMER LT BATTERY M33096 REPLACED NEW BATTERY PACK T EST CARRIED OUT FOUND NORMAL REF AMM 33-51-06-960-802 REV.85 ADD EMP:V905449 IDT BY TA646