As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R ELEV PITOT HEAT ILLUM DURING FLT. GROUNDED - YES. CONFIRMED FAULT, R ELEV PITOT HEAT ON. REMOVED & REPLACED R/H FEEL SYSTEM PITOT PROBE PER B737-800 AMM 27-31-94, PROBE HEATER SYSTEM OPS CK NML PER AMM 30-31-00-730-801. ACCOMPLISHED ELEVATOR PITOT SYSTEM LEAK TEST PER AMM 27-31-17-790-801, OPS CK NML.