As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED INSPECTION FOUND THE INLET ANTI-ICE HOT AIR DISTRIBUTION DUCT CRACKED FORWARD WHERE THE BLEED AIR TAP IS WELDED INTO THE DUCT. THIS AREA IS DIFFICULT TO DETECT AND REQUIRES CAREFUL EXAMINATION. ON THIS ACFT THE LEAK HAD BLOWN BACK SOME OF THE INLETS INSULATION WHICH ALERTED US TO A PROBLEM.