As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT THE LEFT PITOT HEAT WAS INOP DURING PREFLIGHT CHECKS. OPERATIONS WERE CONTINUED PER MEL 30-30-01. THE MAINTENANCE TEAM TROUBLESHOT AND FOUND A BROKEN WIRE AT THE PITOT PROBES CONNECTOR. THE PITOT PROBE WAS REMOVED AND REPLACED WITH NEW PROBE. FUNCTIONAL CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.