As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: 4R DOOR EMERGENCY POWER ASSIST SYSTEM DOES NOT FLASH GREEN WHEN ARMED. REMOVED AND REPLACED EMERGENCY POWER ASSIST SYSTEM BATTERY PACK PER AMM 52-11-20-805-002. ALSO REPLACED TWO EMERGENCY ASSIST 9V BATTERIES (AALA202008209001) PER AMM 52-11-20.