As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE, THE MAG PLUG 2 WARNING LIGHT ILLUMINATED. REDUCED POWER TO ESTABLISH A SUITABLE OEI CONDITION AND CALLED FOR THE APPLICABLE RFM EMERGENCY PROCEDURE CHECKLIST. AN ATTEMPT WAS MADE TO EXTINGUISH THE WARNING LIGHT WITH NO SUCCESS. PERFORMED A SINGLE ENGINE EMERGENCY SHUTDOWN IN ACCORDANCE WITH RFM PROCEDURES. DIVERTED THE AIRCRAFT TO THE NEAREST AIRPORT . PERFORMED SINGLE ENGINE LANDING SAFELY.