What was found
AIRCRAFT WAS IN BASE MAINTENANCE: RIGHT NO. 3 OVER-WING DOOR EPAS BATTERY WILL NOT CHARGE. MAINTENANCE REPLACED RIGHT NO 2 OVERWING DOOR EPAS BATERY, PERFORMED EPAS BATTERY OPERATIONAL TEST GOOD IAW B777-3 AMM 52-12-19.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS IN BASE MAINTENANCE: RIGHT NO. 3 OVER-WING DOOR EPAS BATTERY WILL NOT CHARGE. MAINTENANCE REPLACED RIGHT NO 2 OVERWING DOOR EPAS BATERY, PERFORMED EPAS BATTERY OPERATIONAL TEST GOOD IAW B777-3 AMM 52-12-19.