As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TEMPORARY DISPLAY OF STATUS MESSAGE ALTITUDE ALERT SYSTEM DURING CRUISE, CMC MESSAGE 31086, FOLLOWED FIM PROCEDURE IAW 31-51 TASK 86. RESET CIRCUIT CARD. THEN TESTED OK IAW AMM 31-51-02 401. MCC REQUEST ITEM TRANSFER TO MEL 34-16-01A CAT A.