As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, FOUND SEVERAL AISLE EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE TROUBLESHOT THE SYS AND FOUND BATTERY PACK FUSES BLOWN. REPLACED FUSES AND WAS ABLE TO GET ALL BUT SEVEN LIGHTS TO WORK. FOUND 4 LIGHTS WITH REVERSE POLARITY, SWAPPED WIRES AND CHECKED OK.