What was found
DURING CRUISE, AVNX MAU 3 FAIL MESSAGE ALONE WITH AT FAIL, ADS 3 FAIL, SPOILER FAULT. DIVERTED, DECLARED EMERGENCY, & LANDED WITHOUT INCIDENT. AFTER LANDING FCND AND LGND APPEARED. R & R MAU 3 NIC PROC 1 IAW AMM 31-41-04, ALL MESSAGE CLEARED, OPS CHECKED GOOD.