As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF PITOT HEAT EN ROUTE. FLIGHT DIVERTED. PSTFLT SHOWED LGCIU 1 INTF PROBLEM WITH PHC2. VISUAL CK OF ALL GEAR PROX SENS & TARGETS OK. BITES OF LDG-PHC-CIDS-FWC ALL OK. ELECTRON SIM OF AIR MODE WAS SAT. ALL PROBE TEMPS CKD OK AND VISUAL LOOKS LIKE NORM PRB. AS PRECAUTION REPLACED NR 1 & 2 LGCIU (P/N 664700500A4D - S/N 313) AND THE NR 1 FLIGHT WARNING COMPUTER.