As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO MSP, THE TRAILING EDGE FLAPS WERE ASYMMETRIC BETWEEN FLAPS POSITION 15 AND 20 DEGREES. AN EMERGENCY WAS DECLARED WITH EQUIPMENT STANDING BY. THE AIRCRAFT LANDED WITHOUT INCIDENT WITH FLAPS IN THE 15 DEGREE POSITION. MAINTENANCE REPLACED THE FLAP POSITION INDICATOR. OPERATIONAL CHECK OK.