As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POP - MIN EQUIPMENT SMOKE MASTER WARNINGS STARTED AT TOP OF CRUISE 4-5X LASTING APPROX 30 SECS, WOULD CLEAR FOR APPROX 1-2 MINS, DIVERTED TO POP. INSPECTED EQUIPMENT BY AREA FOUND BURNED SPLICES ON LEFT RUNWAY TURN OFF LIGHT. PLACARD LEFT RUNWAY TURN OFF LIGHT PER MEL. CHECKED AND FOUND NO INDICATION OF BURNT WIRING. FOUND INSULATION AGAINST LIGHT ASSY BURNT. REPOSITIONED INSULATION. RUN WAY TURNOFF LIGHT CHECKS NORMAL. SYSTEM GROUND CHECKED NORMAL OPERATION.