What was found
DURING SLAT/FLAP RETRACT FLAPS STUCK AT 15 DEG SLATS OK FLAPS SYS 1 & 2 LIGHTS ILLUMINATED AS WELL AS FLAPS LIGHT ON SFDI FLAPS STUCK RAN CHECKLIST LANDED UNEVENTFULLY. FAULT CODE NOT APP TO THIS A/C, ENGINEERING HAS CONTACTED AIRBUS. CYCLED FLAPS AND SLATS 6 TIMES WITHOUT ANY FAULTS. CHECKED TORQUE LIMITERS AND NO FAULTS NOTED. REF THE AIRBUS M/M 27-51-18-4, REMOVED AND REPLACED BOTH SFCC'S FOR PRECAUTIONARY REASONS. REF THE AIRBUS M/M 27-51-00-5, PERFORMED OPS CHECK. SYSTEM OPS CHECKS NORMAL. RAN ENGINES AGAIN AND CYCLED FLAPS AND SLATS 6 MORE TIMES AND NO FAULTS NOTED.