As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT FLT750 ON DESCENT INTO CLT FROM GCM, WHEN FLAPS WERE SELECTED TO 30 UNITS, THE AIRCRAFT ROLLS TO THE LEFT. WINGS CAN BE KEPT LEVEL WITH 3 DEGREES OF RIGHT AILERON. FUEL WAS BALANCED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE CABLE DRUM CLUTCH SLIPPED IN THE LEFT INBOARD MIDFLAP DUE TO THE AFT FLAP BINDING. RESET CLUTCH. FOUND DEADWEIGHT ROLLERS ON AFT FLAP NOT RIGGED CORRECTLY. ADJUSTED AFT FLAP PER MM 27-51-11-404. FLAPS TEST GOOD.