As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFW - CEILING FORWARD OVERHEAD AND MID CABIN LIGHTING PANELS HAD BURNED WIRE, BURNED TERMINALS, AND BURNED TRANSFORMER AT T180. REPLACED TRANSFORMER AND TERMINAL LUGS FOR CEILING FORWARD OVERHEAD AND MID CABIN LIGHTING PANELS AT T180. SYSTEM GROUND CHECKED NORMAL OPERATION.