As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 7298 ENROUTE TUL AFW AIR TURNBACK DISCREPANCY: DEICE AIRFRAME FAULT IN FLIGHT DURING ICING CONDITIONS. AIRCRAFT RETURNED TO TUL. NO EMERGENCY DECLARED. LANDED WITHOUT FURTHER INCIDENT. CORRECTIVE ACTION: MAINTENANCE REPAIRED THE TEAR IN OUTBOARD SECTION OF LEFT DEICER BOOT. RAN ENGINES & PERFORMED OPS CHECK OF AIRFRAME DEICE SYSTEM. NO AIRFRAME FAULT INDICATION OR BITE ON DEICE CONTROLLER.