As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENGINE OVERSPEED FAIL INTERMITTENT DURING SHUTDOWN. SIX REPEATED OVERSPEED FAILURES PRECEDED THIS FAULT ON DIFFERENT DATES. MAINTENANCE REMOVED AND REPLACED #2 OVERSPEED BOX TOGGLE SWITCH IAW AMM 80-20-00, 4-4. TEST FLIGHT SUCCESSFULLY COMPLETED.