As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF NR LP 9130032- B777-33-3-0022, DOOR L3 EMERG LIGHT PWR SUPPLY M33400 FOUND CAPACITY LOW. DR L3 EMERG LIGHT M33400 BATTERY PACK AND POWER SUPPLY REPLACED. OPERATIONAL TESTED NORMAL AS PER AMM33-51-06 DETAIL REFER ATTACH FORM 44-0008 ITEM 1 TO ITEM 3 FOR ACCOMPLISHED.