What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO MEX DUE TO THE FLIGHT CREW REPORTING GREEN HYDRAULIC SYSTEM ENGINE 1 PUMP LOW PRESSURE ALONG WITH A GREEN HYDRAULIC SYSTEM LOW QUANTITY ECAM WARNINGS - THE FLIGHT CREW ACCOMPLISHED THE ECAM PROCEDURES AND THE AIRCRAFT LANDED SAFELY AT MEX WHERE ITWAS TOWED TO THE GATE DUE TO THE LOSS OF NOSE WHEEL STEERING - MAINTENANCE FOUND THE ENGINE 1 PRESSURE SWITCH 1047GK BROKEN AND REPLACED IT - MAINTENNACE ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO ISSUES NOTED