What was found
AIR LOADS MOVED THE RIGHT FLAP OUTBOARD SO THAT, WHEN RETRACTED, THE INBOARD RIB ASSY - FLAP SUPPORT ARM LEFT, P/N 0523901-8, WAS BLOCKED BY THE FLAP TRACK SUPPORT STRUCTURE. BOTH FLAP SUPPORT ARMS WERE BENT BACKWARD BY THE FORCE OF THE FLAP MOTOR, FINALLY JAMMING AT ABOUT FIVE DEGREES DOWN. SUBMITTER RECOMMENDED INSTALLATION OF CESSNA SERVICE KIT SK180-44-1. (X)