As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON SHUTDOWN AND COLLECTIVE ROLLED TO IDLE, PILOT NOTICED FLASHING YELLOW GOV LIGHT ILLUMINATED. PILOT SHUTDOWN ACFT. MECHANIC REVIEWED VEMD FAILURE PAGE ON MX MENU OF VEMD. VEMD INDICATED FAILURE, TEST REF 120, LRU "NF TRIM POT" IN RED. REMOVED NF TRIM POTENTIOMETER WAS R & R WITH NEW. GROUND RUN AND CHECK FLIGHT REVEALED NORMAL OPERATION. ACFT WAS RETURNED TO SERVICE.