What was found
WHEN FLAPS WERE SELECTED TO FLAPS 20, FLAPS STUCK AT 15, GOT ASSOCIATED ECAM ADVISORY AND BOTH SYS 1 AND SYS 2 AMBER FAULT LIGHTS ILLUMINATED ON OVERHEAD PANEL. SFPI AMBER FLAP LIGHT WAS NOT ON. ACCOMPLISHED ASSOCIATED AMBER ECAM ITEM AND QRH PROCEDURES, NO HELP. LANDED SLATS 30/FLAPS 15 IAW QRH PROCEDURES. AT BLOCK IN, NOTICED ICE BUILD UP ON TRAILING EDGE OF SLATS ON LWR SURFACE OF BOTH WINGS AS WELL ICE IN THE OUTER FLAP CANOES BOTH WINGS. PERFORMED BITE TEST ON BOTH SFCCS' IAW TSM 27-50-00 AND FOUND CODE "01111" RESET BOTH SFCCS' AND CYCLED FLAPS SEVERAL TIMES WITH NO DEFECT. WITH FLAPS DOWN INSPECTED ALL JACK SCREWS AND FOUND ADEQUATE LUBRICATION ON ALL BUT NOTED ICE ON JACK SCREWS AND FLAP CARRIAGES. CHECKED FLAP TORQUE LIMITERS NONE WERE POPPED. DEICED FLAPS AND SLATS WITH HOT DEICE FLUID FROM GROUND REEL. CYCLED FLAPS AGAIN NO DEFECTS NOTED OK FOR SERVICE.