As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REMOVAL OF VENTURI FOUND EVIDENCE OF FUEL BETWEEN VENTURI BODY AND SERVO BODY AS WELL AS UNDER THE O-RINGS IN THE O-RING GROOVES. FUEL EVIDENCE WAS ALSO FOUND UNDER THE "G" PLUG. INSPECTION PROMPTED BY CESSNA FLEET GROUNDING FOLLOWING AN UNCONTROLLED IN-FLIGHT RPM LOSS ON N961AU AND DECLARED IN-FLIGHT EMERGENCY.