As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE LOST POWER ON TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. THE FRONT ACCESSORY COVER HAD LIBERATED FROM THE FRONT ACCESSORY SUPPORT AND FOUND LAYING IN THE ENGINE INLET. MAINTENANCE REPLACED THE NR 2 ENGINE WITH A SERVICEABLE UNIT.