What was found
LOST ALL GREEN HYD FLUID,ON ACFT ARRIVAL, FOUND 1 GALLON OF FLUID IN GREEN HYD SYSTEM. NO ASSOCIATED FILTER DELTA P INDICATORS WERE OPEN. FOUND THE PRESSURE SWITCH, 1074GK, ON THE NR 1 ENGINE LEAKING. R & R THE SWITCH IAW AMM 29-11-17. RAN THE ENGINE IAW AMM 71-00-00, OPS/LEAK CHK OK