As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: GREEN HYDRAULIC PRESSURE LOW CAUTION 7 MINUTES FROM LANDING. CREW DECLARED EMERGENCY. WAS NOT ABLE TO TAXI DUE TO NOSE WHEEL STEERING UNAVAILABLE. UPON ARRIVAL, FOUND GREEN SYSTEM QUANTITY ABOVE MINIMUM GAGEABLE LEVEL. LEAK WAS FOUND AT HYDRAULIC PRESSURE SWITCH 1074GK. REMOVED AND REPLACED PRESSURE SWITCH 1074GK IAW AMM 29-11-17. SERVICED FLUID TO FULL. PERFORMED GREEN SYSTEM CAVITATION CHECKS IAW AMM 29-00-00-280-006-A01.