As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FADEC FAULT LIGHT ILLUMINATED DURING FLIGHT. PILOT LANDED UNEVENTFULLY AS SOON AS PRACTICAL IAW RFM AT A LZ COMMONLY USED BY THE PROGRAM FOR AMBULANCE RENDEZVOUS. TROUBLE SHOT & COULD NOT DUPLICATE. RETURNED ACFT TO SERVICE. SUSPECTED N2 PICKUP MAY BE GOING OUT, BUT LIMITS PUBLISHED IN APPLICABLE MM ARE STILL BEING MET. UNKNOWN AT THIS TIME WHICH COMPONENT CAUSED FADEC FAULT LIGHT TO ILLUMINATE. N2 PICKUP, ENG WIRING HARNESS & ECU ARE LISTED LRUS IN MM.