As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT SHUTDOWN/DECLARED EMERGENCY. NR 1 EGT STARTED FLUCTUATING AT CRUISE ALT WITH AN OCCASIONAL EGT LIGHT ILLUMINATING. REDUCED THRUST LEVER TO KEEP WITHIN LIMITS WHEN EGT PEGGED TO HIGH SIDE AND EGT LIGHT ON. REMOVED AND REPLACED EGT PROBE HARNESS ASSY IAW MM.