As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5287, RT WINDSHIELD (NR 3) HEAT CAUTION MSG IN FLT. RAN QRH AND CAUTION MSG STAYED ON. ALSO HAD AN ELECTRICAL BURNING ODOR DID NOT SEE SMOKE AND DID DECLARE AN EMERGENCY. [EMERGENCY DECLARED -- ENROUTE TO ATL A/C DIVERTED TO MGM DUE TO MTC].