As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI FOR TAKEOFF, THE LEFT HAND PROPELLER HEAT FAILED TO OPERATE. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED AND REPAIRED A BROKEN PROPELLER DE-ICE BOOT LEAD WIRE IN ACCORDANCE WITH HARTZELL MAINTENANCE MANUAL 61-00-60. OPERATION CHECKS WERE COMPLETED.