As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, AT CRUISE. CAPTAIN'S FMS SCREEN WENT COMPLETELY BLANK ASSOCIATED ANNUNCIATORS ALONG SIDE NUMBER AND ALPHABET LIGHT ILLUMINATED. AFTER ABOUT 15 SECONDS SCREEN DATA APPEARED AND SYSTEM APPEARS TO BE NORMAL. OPS CHECKED CAPTAIN'S FMS PER FIM TASK 34-61-00-710-801. CHECKED NORMAL, NO DEFAULT FOUND.