As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW REPORTED THAT THE RIGHT NR 3 LEADING EDGE DEICE BOOT WOULD NOT INFLATE. MAINTENANCE FOUND THE DEICE BOOT TO BE INTERNALLY CONTAMINATED WITH WATER. SUBMITTER SUGGESTED WATER ENTERED THROUGH A NUMBER OF HOLES INCLUDING ONE HOLE WHICH HAD BEEN PATCHED WHERE THE PATCH WAS MISSING.