What was found
(CAN) LANDING GEAR WOULD NOT EXTEND ON FIRST ATTEMPT. GEAR HANDLE RECYCLED, NO FIX ALTERNATE GEAR EXTENTION OPERATE NORMALLY. BITE TEST ALL CHECKED OK. LG CIU 1 AND 2 INTERCHANGED NO FIX. MTCE ADVISED AND TROUBLESHOT THE SNAG, ACFT ON JACKS.