As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REPORTED THE RIGHT INBOARD L/E DEICE BOOT AS BEING DEFORMED. MAINTENANCE REVEALED WHEN INFLATED, THE BOOT HAD SEPARATED INTERNALLY ALONG STITCHING BETWEEN INFLATION TUBES. INFLATED AS A BUBBLE IN ONE AREA. LEADING EDGE WAS REPLACED.