As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, EXHAUST GASES MELTED FINS ON NR 5 CYLINDER AND CAUSED ENGINE FIRE. FIRE SPREAD THROUGH FORWARD BAGGAGE AREA AND INTO COCKPIT. AIRCRAFT WAS LANDED SAFELY AND FIRE EXTINGUISHED. 'V' BAND COUPLING FOR EXHAUST CONNECTION AT NR 5 CYLINDER WAS FOUND LOOSE. PART CAUSING FIRE WAS NOT SAFETIED PER RECOMMENDATIONS FROM MANUFACTURERS. REF: PIPER SB NR 884.