What was found
(CAN) TOOK OFF, ENROUTE, AIRCRAFT WAS ON A BASE RELOCATION FLIGHT. PILOT HAD GEAR IN-TRANSIT LIGHT FOR LONGER THAN NORMAL AFTER GEAR WAS SELECTED UP. RE-SELECTED GEAR DOWN AND LOCKED 3 GREEN. RE-SELECTED GEAR UP AND STILL HAD IN-TRANSIT LIGHT. CONTINUED WITH GEAR HANDLE SELECTED UP AND IN-TRANSIT LIGHT ON. AC LANDED WITHOUT INCIDENT, MAINT DISCOVERED HYDRAULIC OIL UNDER COWL. FURTHER INVESTIGATION REVEALED A CRACKED RT HYDRAULIC PUMP HOUSING. PUMP HAS BEEN CHANGED AND HYDRAULIC SYSTEM INSPECTED, SERVICED AND OPERATED ON THE GROUND, NO ABNORMALITIES NOTED. NOTE: HYDRAULIC PUMP REMOVED DID NOT HAVE A DATA PLATE ALTHOUGH RECORDS DID INDICATE THAT IT WAS A ZERO TIMED UNIT AT ENGINE CHANGE IN 1998.