As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VARNAR FAILED IN FLIGHT. ON DOWNWIND TRAFFIC PATTERN, VARNAR FAILED TO MANUAL MODE WITH SPLIT UP TO 4FLI DIFFERENCE OBSERVED. WHILE TROUBLESHOOTING THE VARTOMS SYSTEM, FOUND THE #2 ENGINE N1 FLUCTUATING 1.2% AND THE TQ INDICATION WAS FLUCTUATING 4.5% WHILE ISOLATED IN THE MANUAL MODE. REMOVED AND REPLACED FUEL CONTROL IAW ARRIEL 1 E2 73-21-00-900-801-A01. TEST FLIGHT SUCCESSFULLY COMPLETED.