As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSPECTION, EXHAUST RESIDUE WAS FOUND ON THE INSIDE OF THE LOWER FORWARD ENGINE COWLING. UPON CLOSER INSPECTION BOTH PIPE ADAPTERS FOR THE EXHAUST INLET AND OUTLET TO THE INTAKE LIP WERE FOUND BROKEN AWAY FROM THE LIP ASSY.