What was found
PDIS 659 29-13 2671141 13MAR22 DAY CLOSE HYD 2 LO QTY MSG ON EICAS IN FLIGHT, CREW FOUND SOME POSSIBLE HYD LEAK UNDER #2 ENGINE LOWER COWLING.
FACT 14MAR22 12:54 DAY LEAK UNDER NO2 ENG IS ANTI ICE FLUID. DISCOVERED BOTH RUDDER BLEED VALVES ON TOP ACTUATOR LOOSE AND LEAKING TIGHENED VALVES AS REQUIRED PERFORMED RUDDER ACTIVATION AND T/R DEPLOYMENT WHILE RUNNING HYD PUMPS FOR OVER HALF HOUR ALL OPERATIONS OF SYS PERFORMED AS REQUIRED NO LEAKS NOTED 1 AND 2 AT FULL LEVEL AC IS OK FOR SVC AT THIS TIME.