As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE EMERGENCY LIGHT BATTERY PACK DEEP CYCLE CHECK FOUND BATTERY LOW ON THE DOOR 4R POWER SUPPLY M33409 REF TO HAECO NON-ROUTINE NO.9455174, REPLACED POWER BATTERY PACK AT DOOR R4 (M33409) AND PERFORMED INSTALLATION TEST WAS NORMAL PER AMM 33-51-06-960-802 REV 106