As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK R3 DOOR AFT EMERGENCY POWER SUPPLY M33401 BATTERY PACK FOUND POOR CONDITION. REPLACED M/D R3 DOOR AFT EMERGENCY POWE R SUPPLY M33401 BATTERY PACK AND PERFORMED NEW BATTERY PACK INST ALLATION TEST THE TEST RESULT NORMAL AS PER AMM 33-51-06-960-802 REV.105.