As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED THAT AFTER DEPARTURE, THE NAVIGATIONAL DISPLAYS WERE NOT AVAILABLE ON THE MULTIFUNCTIONAL PANEL. ALL THREE IRS POSITIONS WERE NOT IN AGREEMENT WITH THE GPS. CREW ELECTED TO DIVERT. CHECKED THE ADIRUS RADIAL POSITION ERROR IAW 34-12-34. FOUND TO BE NORMAL. REALIGNED THE ADIRUS. CAT III TEST WAS ACCOMPLISHED. PERFORMED SYSTEM TESTS IAW 34-13-00 AND 34-14-00. ALL TESTS FOUND TO BE NORMAL.