What was found
AIRCRAFT WAS GROUNDED: DURING CRUISE, CREW REPORTED A GREEN HYDRAULIC SYSTEM LOW PRESSURE INDICATION AND PERFORMED MANUAL GEAR EXTENSION. EMERGENCY DECLARED AND UNEVENTFUL LANDING CONTINUED TO DFW. MAINTENANCE REPLACED FLIGHT CONTROL SWITCH 1151GN, SERVICED GREEN HYDRAULIC SYSTEM, RESET GEAR FREE FALL SYSTEM PER AMM 32-00-00, AND CLEANED AFFECTED AREA. MAINTENANCE ALSO PERFORMED SATISFACTORY OPERATIONAL CHECK.