As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THAT THE OVERHEAD EMERGENCY LIGHTS AT PANELS 3 & 4 IN THE CABIN WERE INOPERATIVE. MAINTENANCE FOUND A FAILED WIRE CONNECTOR AT PANEL 4 AND REPLACED IT. THEY FOUND AN INCORRECT BULB AT PANEL 3 WHICH CAUSED THE FUSE TO BLOW. THE BULB AND POWER SUPPLY WERE REPLACED AND THE OPERATIONAL CHECK WAS GOOD. (LP #9364166)