As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 7539 ORD TO IAH CREW REPORTS AN AVNX MAU 1A FAIL IN FLIGHT. DIVERTED TO DSM, DECLARED EMERGENCY, LANDING WAS NORMAL, WITHOUT NOSE WHEEL STEERING. MAINTENANCE RESET AIRCRAFT POWER AND CLEARED AVNX MAU 1A FAIL MSG. NO HISTORY AND NO CORRELATIONS. SUSPECT NR 1 NIC/PROC IN MAU 1(NIC/PROC 1) AS THE PROBLEM SI: 314024 WRITTEN FOR AVNX MAU 1A FAIL MESSAGES IN THE FHDB. SUSPECT NR 1 NIC/PROC IN MAU 1 (NIC/PROC 1) AS THE PROBLEM. SI ACCOMPLISHED ON 02/03/2008.