As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEADING EDGE DEICE MIDDLE LEFT WING, INBOARD LEFT WING, INBOARD LEFT STAB AND INBOARD RIGHT STAB LIGHTS CAME ON IN FLIGHT. RETURNED TO SLC. REPLACED DEICE MONITOR. CYCLED WINGS AND ENGINE DEICERS 2 CYCLES ON EACH TIMER WITHOUT FAULT. P/N ON 0552-01-001, S/N OFF 415.