What was found
DURING APPROACH AT 180KTS, RECEIVED A KRUEGER NOT EXTENDED WARNING WHEN FLAPS 15 WAS SELECTED. COMPLIED WITH ECAM, KRUEGER NOT RETRACTED, ECAM WARNING WHEN FLAPS RAISED. CLEARED AFTER A FEW SECONDS. COMPLETED INSTALLATION OF LEFT WING KRUEGER FLAP MOVABLE VANE IAW MM 27-87-12-04, AND MM 27-87-11-04. RIG AND OPS CHECKED GOOD.