As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERY PACK CAPACITY CHECK FOUND 1EA BATTERY PACK M33424(L1 DR AFT)LESS THAN 15MINS REF TO HAECO NON-ROUTINE NO.9496331, REPLACED THE M33424(L1 DR AFT)EMERGENCY LIGHT BATTERY PACK AS PER AMM33-51-06 -960-802 REV101.PERFORMED NEW BATTERY PACK TEST, THE RESULT FOUND NORMAL.