As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT NOTED RT HYD QTY AT 2 WITH CAUTION LIGHT ON, HYD PRESS WAS GOOD. TURNED RT ENGINE HYD PUMP AND HYD QTY SLOWLY ROSE UP TO 10 LEFT PUMP, UNTIL APPROACH RT HYD WOULDN'T COME UP WITH ENGINE PUMP SWITCH ON AND AUX PUMP. PERFORMED FLAP 15 LANDING AFTER EMERGENCY EXT OF LANDING GEAR. REPLACED LEAKING O-RING ON BOTTOM OF RT RESERVOIR. SERVICED FLUID.