As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CESSNA SB 560-54-03 COMPLETED 12-14-98. SB INCORPORATES VAPOR BARRIER/VIBRATION DAMPENING CHANNEL AROUND ENGINE INLET DUCT. FOUND CHANNELS MELTED AFTER 77.1 HOURS TIS. SUBMITTER RECOMMENDED CHANNELS BE MANUFACTURED FROM MATERIAL WITH A HIGHER TOLERANCE FOR HEAT.