As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT EXHAUST SYSTEM FAILED BY RIGHT UPPER CROSS-OVER SLIP JOINT ATTACH POINT. THE SUPPORT BRACKET HARDWARE FAILED ALLOWING JOINT TO SLIP APART WHICH DIRECTED EXHAUST GAS ONTO AIR CONDITIONING LINES RUPTURING LINES AND IGNITING AIR CONDITIONING OIL WHICH CAUSED EXTENSIVE HEAT DAMAGE TO FIREWALL EXTERIOR AND INTERIOR IN BAGGAGE AREA, ENGINE WIRE HARNESS, AND MOTOR MOUNT.