What was found
ON APPROACH, LOWERED FLAP HANDLE TO 15/20, RECIEVED ECAM ALERT " FLAPS SYS 1&2 FAULT" RECYCLED TO 15/15 & FAULT CLEARED. FLAPS FAULTED AGAIN WHEN LOWERED TO 15/20. FLAP POSITION APPROX 19 DEG. POSITIONED FLAPS TO 15/15 PER QRH. ON APPROACH WHEN HANDLE AT 30/40, FLAPS EXTENDED TO 40 DEG, LIGHTS REMAINED ILLUMINATED. INSPECTED BEARINGS & FOUND BINDING AT GEARBOX/JACK NR 2. ALL OTHERS CHECKED NORMAL. INSTALLED TORQUE TUBES REF AMM 27-54-17-4. REMOVED FWD & AFT TORQUE TUBES AT GEARBOX & VERIFIED NO BINDING, GEARBOX SERVICEABLE. FOUND BOLTS CORRODED. PERFORMED RIG CHECK & ADJUST OF FLAPS REF MM 27-50-00-5. OPS CHKD FLAPS W/ENGINES RUNNING PER JRH, OPS APPEARED SMOOTH, NO FAULTS & NO OVER TORQUE INDICATION.