As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT TO SJC AT AROUND 10,000' CAPTAIN'S CDU BLANKED OUT THEN WENT TO MENU PAGE. FO'S SCRATCHPAD READ ACARS NO COMM. GROUNDED - YES. ACCOMPLISHED B737-900 FIM TASK 34-61 TASK 804 RESET C/B FMCS MCDU1 ON GROUND VERIFICATION, OPS AND TESTED NORMAL.