As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERSION - ON APPROACH TO MDW TRIED TO EXTEND FLAPS, FOR LANDING INDICATOR SHOWED SPLIT FLAPS AND WOULD NOT MOVE, RT STUCK AT 0 AND LT INDICATOR BETWEEN 1 AND 0. LANDED USING ALT FLAP METHOD. REMOVED AND REPLACED NR 4 FLAP SKEW SENSOR PER MM.