As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE CREW RECEIVED A LEFT HAND MIDDLE LEADING EDGE BOOT FAILING IN ALL MODES AND DIVERTED TO DAY. MAINTENANCE INSPECTED AND PATCHED THE LEFT HAND MIDDLE LEADING EDGE DE-ICE BOOT IN ACCORDANCE WITH SMP. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.