As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED INSPECTION, CARBON STAINING WAS OBSERVED AT EDGES OF THE HEATED ENGINE DEICE LIP. REMOVED FOR INSPECTION AND FOUND PACKING INSULATION/ALUMINUM TAPE OVERHEATED AND HEAVILY CARBON STAINED. UPON INSULATION REMOVAL, FOUND 2 CRACKS ABOUT 6 INCHES LONG. CRACKS ARE LOCATED AT CENTER PART OF DE-ICE LIP RUNNING LH TO RH, FOLLOWING EXISTING SEAMS.