As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AN OIL RETURN HOSE FROM THE TURBOS CAME LOOSE SPRAYING OIL ONTO THE FIRE DETECTION PROBES. THIS CAUSED THE FIRE WARNING TO ACTIVATE, AND THE PILOT WENT INTO THE CLOSEST AIRPORT. THERE WAS NO DEFECT FOUND WITH THE HOSE OR 'AN' FITTING IT ATTACHED TO. THE HOSE WAS TIGHTENED AND PROBLEM SOLVED. NO RECOMMENDATION FOR CORRECTIVE ACTION.