As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR 2L EMERGENCY LIGHT BATTERY PACK M33099 LOW CAPACITY REF HAECO NON-ROUTINE NO.9453164 SPEC NO B777-33-3-7019 DOOR 2L EMERGENCY LIGHT BATTERY PACK M33099 REPLACED. TEST OF THE NEW BATTERY PACK PERFORMED FOUND RESULT PASSED. REF TO AMM 33-51-06-960-802 REV 92A