As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGA - INFLIGHT PHL-DFW. FIRST OFFICERS PITOT HEAT LIGHT ILLUMINATED DURING FLIGHT. FLIGHT DIVERTED LGA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AND SECURED FIRST OFFICERS PITOT PROBE. SYSTEM GROUND CHECK NORMAL OPERATION.