As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN OVERNIGHT LINE CHECK, THE EMERGENCY EXIT LIGHTS AND EXTERIOR SLIDE ILLUMINATION AT DOOR 3L WERE FOUND TO BE INOPERATIVE. MX FOUND THE ASSOCIATED POWER SUPPLY TO BE DEFECTIVE AND IT WAS REPLACED. THE SYSTEM OPERATED NORMALLY AFTER THE DEFECTIVE POWER SUPPLY WAS REPLACED.