As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) POWER LOSS EXPERIENCED WITH PART CARBURETOR HEAT APPLIED. A DECAY OF ROTOR RPM WAS EXPERIENCED RESULTING IN THE EMERGENCY LANDING. LYCOMING REP FOUND NO DISCREPANCIES AT INVESTIGATION. SUBMITTER STATED CARBURETOR ICING IS BELIEVED TO BE THE FAULT.