As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL370, RECEIVED TRAILING EDGE FLAP DISAGREE WARNING AND TRAILING EDGE FLAP ASYMMETRY EICAS MESSAGE. CREW PERFORMED COM PROCEDURE AND A DECISION WAS MADE TO DIVERT TO MSP FOR BETTER RUNWAY CONDITIONS. FLIGHT LANDED IN MSP WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 FLAP SLAT ELECTRONIC UNIT AND THE LEFT FLAP POSITION TRANSMITTER. OPERATIONAL CHECK WAS SATISFACTORY.