As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN ANNUAL INSPECTION THE ALTERNATE AIR INTAKE DUCT WAS FOUND BROKEN OFF OF THE LEFT EXHAUST MUFFLER AT THE WELD. THE DUCT AND HOSE WAS FOUND CHAFING AGAINST THE ENGINE MOUNT TUBULAR STRUCTURE. THIS FAILURE WAS CAUSED BY AN INADEQUATE MEANS OF SUPPORTING THE WEIGHT OF THE DUCT AND HOSE WHEN ASSEMBLED.