As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING MIDDLE AND RIGHT WING MIDDLE DEICE BOOT FAILED IN FLIGHT BOTH TIMES. RETURNED TO SLC. REMOVED AND REPLACED LEFT MIDDLE DEICE BOOT WITH NEW IAW EMB 120 MM 30 AND GOODRICH FAST BOOT INSTALLATION INSTRUCTIONS. OPS CHECK GOOD. P/N P29S-7D5135-27, S/N ON MT25530, S/N OFF MK84510.