What was found
AIRCRAFT WAS IN BASE MAINTENANCE: R3 DOOR EMERGENCY BATTERY FAILS OP CHECK. MAINTENANCE REPLACED EMERGENCY BATTERY PACKS AT 3R DOOR, M33306: AND OP CHECKED GOOD IAW B777 AMM 33-51-06-960-802.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS IN BASE MAINTENANCE: R3 DOOR EMERGENCY BATTERY FAILS OP CHECK. MAINTENANCE REPLACED EMERGENCY BATTERY PACKS AT 3R DOOR, M33306: AND OP CHECKED GOOD IAW B777 AMM 33-51-06-960-802.