As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT THE NR 3 PITOT INOPERATIVE WHILE CLIMBING THROUGH CLOUDS, AND THE COCKPIT FILLED WITH SMOKE. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE CURRENT SENSING RELAY (K0057) FOR THE NUMBER THREE PITOT PROBE, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. NOTE: THIS PART IS NOT SERIALIZED AND TIMES ARE NOT AVAILABLE.