As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HEAT TAT FAILURE OF TOTAL AIR TEMPERATURE (TAT) PROBE HEATING CIRCUIT. STATUS MSG01- LATCHED CLIMB MODE DEPENDENT; TAT PROBE HEATER POWER IS NOT AVAILABLE. DB- ELMS P110 ELECTRONICS UNIT MSG-3037120 LATCHED CL MODE. REPLACED TAT PROBE AND PERFORMED MAT TEST. PASSED TEST.