As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK R3 DOOR M33404 EMERGENCY POWER SUPPLY BATTERY PACK FOUND INOPERATIVE. REPLACED MAIN DECK R3 DOOR M33404 EMERGENCY POWER SUPPLY BATTERY PACK AND PERFORMED BATTERY PACK INSTALLATION TEST, FOUND NORMAL IAW AMM 33-51-06-960-802, REV 105.