As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLYING AT 5000 FEET, SAW SMOKE COME OUT OF FRONT OF COWL. PULLED POWER BACK. SMOKE QUIT. INCREASED POWER TO TRY TO MAKE AIRPORT. PROPELLER QUIT TURNING. AFTER CRASH, BELT MOSTLY GONE. LOOKS LIKE LOWER FRONT BEARING ON DRIVE SEIZED OR OVER HEATED AND CAUSED THE BELT TO FAIL.