As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL - INFLIGHT ORD-DFW. CREW REPORTED L ICE TEMP LOW ANNUNCIATOR ILLUMINATED. WHEN WING ANTI ICE SYSTEM TURNED OFF PRESSURIZATION FLOW ANNUNCIATOR COME ON. EMERGENCY DECLARED DIVERTED TUL LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT FLOW CONTROL VALVE AND THE ICE PROTECTION CONTROL THERMOSTAT.