As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE 100-HOUR INSPECTION, FOUND RT ENGINE CARBURETOR HEAT AIRBOX BROKEN AT THE CARBURETOR HEAT INLET TUBE. PREVIOUS 100-HOUR INSPECTION FOUND LT ENGINE AIRBOX IN SAME CONDITION. AIRCRAFT TOTAL TIME 195.0 HRS. TOTAL TIME ON PREVIOUS AIRBOX, 99.6 HRS. SUSPECT CAUSE IS POSSIBLE POOR WELDING.