As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#6102, RIC-MCO (AIRCRAFT DECLARED AN EMERGENCY INTO MCO). ' AVNX MAU1 FAILURE DURING ARRIVAL INTO MCO QRH PROCEDURE ACCOMPLISHED AFTER AVNX MAU1 FAIL MESSAGE. MODERATE VIBRATIONS WERE FELT DIRECTLY BELOW THE FLIGHT DECK IN THE FWD EBAY VIBRATIONS WERE ACCOMPANIED BY MIL PITCH DEVIATIONS AND SMAL SURGES; TS PER E190 FIM 31-41-00-810-88S-A STEP F-6-1. REMOVED AND REPLACED MAU1 PWR SUPPLY 1 CARD PER E190 AMM 31-41-02. OPS CHECK OK, NO FAULTS AT THIS TIME.'