What was found
AIRCRAFT IN BASE MAINTENANCE: L3 DOOR DACKUP BATTERY WILL NOT CHARGE. MAINTENANCE REPLACED L3 DOOR BACKUP BATTERY, OPS CHECK GOOD IAW B777-3 AMM 52-17-24.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: L3 DOOR DACKUP BATTERY WILL NOT CHARGE. MAINTENANCE REPLACED L3 DOOR BACKUP BATTERY, OPS CHECK GOOD IAW B777-3 AMM 52-17-24.