As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OIL CHANGE, FOUND THE CARBURETOR AIR BOX BROKEN FROM THE CARBURETOR. WHILE REMOVING AIR BOX, A 10 INCH PIECE OF THE LOWER ENGINE MOUNT WAS FOUND MISSING. IT DOES NOT SHOW SIGNS OF AN OLD CRACK AS BOTH SIDES ARE SHINEY. SUSPECT POSSIBLY A HARD NOSE WHEEL LANDING.