As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, THE EMERGENCY EXIT LIGHT AT THE LOWER AFT AIRSTAIR DOOR, L-2 LOWER EXIT LIGHT AND FLOOR TRACK LIGHTING FROM SEAT 30 TO 34 CAME ON MOMENTARILY AND THEN WENT OUT. REMOVED AND REPLACED BATTERY PACK IAW MM 33-50-01 AND EMERGENCY LIGHTS CHECKED NORMAL.