What was found
(CAN) AC DEPARTED, DURING CLIMB THE PILOTS NOTICED THAT THE FLAP INDICATOR DID NOT MATCH FLAP SELECTOR HANDLE. FLAP POSITION WAS VERIFIED VISUALLY BY CO-PILOT PRIOR TO RETURNING TO BASE. UPON MAINTENANCE INVESTIGATION IT WAS FOUND THAT THE FWD FLAP FOLLOW-UP CABLE WAS BROKEN AT THE PULLEY SWEDGED BALL. SL560-27-11 (SWEDGED BALL INSPECTION) WAS ACCOMPLISHED APRIL26/04 AT 573.1 A/F HOURS 411 LDGS. THIS SB WAS NEXT DUE AT 873.1 HRS. AIRCRAFT TT AT FAILURE WAS 846.3 HRS (-26.8 HRS TO NEXT INSPECTION) THE CABLE WAS REPLACED, RIGGED IAW MM, DUAL INSPECTION C/W AND RETURNED TO SERVICE.