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 ESCAPE PATH LIGHTING IN THE FORWARD CABIN WAS INOPERATIVE. MX FOUND THE ASSOCIATED POWER SUPPLY TO BE DEFECTIVE. THE POWER SUPPLY WAS REPLACED AND THE SYSTEM OPERATED NORMALLY AFTER THE POWER SUPPLY WAS REPLACED.