What was found
(CAN) HYDRAULIC FLOW LIGHTS CAME ON IN-FLIGHT, EMERGENCY DECLARED. WHEN U/C LOWERED, THE STANDBY LIGHT WENT OUT, HYDRAULIC PRESSURE WAS NORMAL. AIRCRAFT LANDED OK. STANDBY HYD PUMP BLEED NIPPLE LEAKING, RESEALED, PUMPS BLED AND FLUID REPLENISHED. ON APPROACH AFTER NEXT FLIGHT, FLOW LIGHTS CAME ON. HYDRAULIC LEAK FROM UNDER PROTECTIVE COVER OF MAXARET RETURN LINE, LINE REPLACED. PART TC: 9,469.