What was found
(CAN) PRECAUTIONARY INSPECTION OF FLAP LEVER ASSEMBLY SLIPPER, BLOCK FOR INCORRECT PRESENCE OF A SHIM UNDER, THE HEAD OF THE SLIPPER BLOCK, RETAINING BOLTS, SHIMS WERE FOUND LT SIDE STATION 0 OB BLOCK, STATION 188 OB BLOCK, STATION 296 OB AND IB BLOCK, RT SIDE STATION 0 IB BLOCK, STATION 91 OB BLOCK, STATION 188 IB BLOCK AND STATION 296 IB BLOCK, SHIMS REMOVED AIRCRAFT RETURNED TO SERVICE. OVERHAUL FACILTY INITIATED PROCEDURE AND HAS AMMENDED THIER PROCEDURE.