What was found
AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. RETURNED TO THE FIELD AND ACCOMPLISHED AN UNEVENTFUL LANDING. INSPECTED AIRCRAFT AND FOUND SAFE FOR A FERRY FLIGHT YYC-PDX. IN PDX REPLACED RT MAIN GEAR SLIDING MEMBER (P/N 200739308, TSN 102768, CSN 40607) AND TORQUE LINK, OPERATIONAL CHECKS GOOD.