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 ROWS 1 THROUGH 4 WERE INOPERATIVE ALONG WITH THE EMERGENCY LIGHTS ON THE FWD CLOSET. MX FOUND POWER SUPPLY M732 TO BE DEFECTIVE AND REPLACED IT. SYS OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED. (K)