As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B777-33-3-7019 DR R3 EMER LIGHT POWER SUPPLY M33401 BATTERY CAPA CITY LOW REF NR LP 9130232 DR R3 EMER LIGHT POWER SUPPLY M33401 CHARGER AND BATTERY PACK RE PLACED AND TESTED NORMAL AS PER AMM 33-51-06 ADD EMP:V898181 INSPECTED BY HX161779, APPROVED