As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH AT APPROXIMATELY 1000' FT AGL, FLAPS 45°, ON SPEED, TRIMMED OUT. AIRCRAFT BEGAN SUDDEN LT ROLL WITH AUTOPILOT OFF. SIGNIFICANT RWD TRIM ADDED TO CORRECT & FLY AIRCRAFT. NO ASSOCIATED EICAS MESSAGES DISPLAYED. FLT#2583 FOUND EXCESSIVE PAINT RUNS & EXCESSIVE SEALANT ON FORE FLAP & FLAP LE ON LT INBD & OTBD FLAP. RESTORED AERODYNAMIC SMOOTHNESS IAW SRM.