As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH CREW INDICATED THAT THEY HAD TO ADD MORE AILERON TRIM FOR EACH SELECTION OF FLAPS. WHEN FLAPS 40 WERE SELECTED THE CREW HAD TO HAVE LT AILERON TRIM OF 2.5-3.0 SELECTED TO MAINTAIN LEVEL FLIGHT. MAINTENANCE FOUND THE LT INBD FLAP, AFT FLAP BOOM CABLE FOUND OFF ITS RESPECTIVE PULLEY AND FRAYED FROM CONTACT WITH STRUCTURE, AS WELL AS OUT OF RIG.