What was found
AIRCRAFT IN BASE MAINTENANCE: L3 ENTRY DOOR EMERGENCY POWER ASSIST SYSTEM BATTERY, TEST FAILED. REMOVED AND REPLACED EMERGENCY POWER ASSIST SYSTEM BATTERY PACK, OPERATIONS CHECK GOOD PER B777-3 AMM 52-12-20.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: L3 ENTRY DOOR EMERGENCY POWER ASSIST SYSTEM BATTERY, TEST FAILED. REMOVED AND REPLACED EMERGENCY POWER ASSIST SYSTEM BATTERY PACK, OPERATIONS CHECK GOOD PER B777-3 AMM 52-12-20.