As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - DURING APPROACH HAD A TRAILING EDGE FLAP ASSYMETRY. RAN THE QRH AND LANDED WITH FLAPS 20. ALSO HAD TRAILING EDGE FLAPS SHUTDOWN STATUS MESSAGE. FLIGHT LANDED ORD WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED FLAP TRANSMITTER. SYSTEM GROUND CHECK NORMAL OPERATION.