As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE AIRBOX CRACKED IN THE FLANGE AREA WHERE THE CARB HEAT CABLE ATTACH BRACKET IS ATTACHED TO THE AIRBOX ASSEMBLY WITH TWO RIVETS. THIS IS A CONSTANTLY CRACKING AREA ON THE AIRBOX. MFG IS WELL AWARE OF THE PROBLEM AND HAS BROUGHT OUT AN (IMPROVED) ASSEMBLY P/N 86245-836 WHICH IS SUPPOSED TO SOLVE THE PROBLEM.