What was found
(CAN) AT FLAP EXTENSION FOR LANDING, NR 3 LEADING EDGE SLAT SHOWS YELLOW AT FLAP 1 WITH OVERHEAD PANEL CAUTION "LE FLAP INTRASIT" LIGHT STAYING YELLOW UNTIL FLAP 15 IS SELECTED. OCCURS IN FLT BUT SEEMS TO WORK FINE ON GROUND. "MAINT INSPECTION FOUND NR 3 SLAT INBOARD SLAT TRACK UPPER ROLLER BOLT SEVERED & DAMAGE TO SLAT TRACK CUTOUT AREA. MAINT INST NEW BOLT ASSY (NEW BOLT,ROLLER, NUT & WASHER) LEADING EDGE WING DAMAGE TRIMMED OUT IN ACCORD WITH SRM 57-20-01 DETAIL 'E'. SLAT & FLAP SYS FUNCTION TESTED SERVICEABLE - ALL INDICATIONS NORMAL. A/C INSP&FOUND SAFE FOR FERRIED FLT TO YYC - COMMUNICATIONS WITH BOEING FOUND REPAIR NOT CONFORMING TO SRM.