As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENTIRE LEADING EDGE DEICE SYSTEM FAILED AT CRUISE. UPON INSPECTION FOUND A LARGE TEAR IN THE UPPER PORTION OF THE LEFT OUTBOARD BOOT. DIVERTED FROM RDM TO RDD. COMPLIED WITH REPLACEMENT OF LEFT OUTBOARD DEICE BOOT. OPS CHECK AND FUNCTIONAL CHECK GOOD OF LEFT OUTBOARD BOOT. (P/N ON: P29S-705135-29) (S/N ON: MM07380).