As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CTR EMERGENCY LIGHT POWER SUPPLY BATTERY PACK (M33305) AT DOOR 3R FOUND LOW CAPACITY. REPLACED THE EMERGENCY LIGHT POWER SUPPLY BATTERY PACK (M33305) AT THE DOOR 3R AND CARRIED OUT INSTALLATION TEST, THE RESULT WAS NORMAL IAW AMM 33-51-06-960-802, REV.106.