What was found
LEFT SYS LOSS OF HYD QTY AND MOMENTARY LOSS HYD PRESSURE. REPLACED LT ENGINE HYD PUMP IAW MM 29-11, LEAK CKS & OPS CKS NORMAL. REPLACED LT EDP PRESS & CASE DRAIN FILTERS IAW MM 29-11. NO CONTAMINATION. NOTED REPLACED LT HYD SYS ELECTRIC PUMP PRESSURE AND CASE DRAIN FILTERS IAW MM 29-11, NO CONTAMINATION NOTED REPLACED PTU PRESS FILTER AND CASE DRAIN FILTER IAW MM 29-22. NO CONTAMINATION NOTED REPL LT HYD SYS RETURN FILTER IAW MM 29-30 NO CONTAMINATION NOTED REPLACED CASE DRAIN LINE FROM LT ELEC HYD. PUMP LEAK CHECKED OK. WASHED ACFT BELLY AND WHEELWELLS OF RESIDUAL HYD FLUID MOTORED LT ENGINE NUMEROUS TIMES, CYCLED ALL FLIGHT CONTROLS SEVERALS.