What was found
AFTER TAKE OFF, RECEIVED INDICATIONS OF BOTH GREEN SYSTEM HYDRAULIC PUMPS WERE PRODUCING LOW PRESSURE. DECLARED EMERGENCY AND RETURNED TO DEPARTURE. ACCOMPLISHED GEAR RETRACTION AND EXTENSION TEST IAW MM 32-31-00-501 AND MLG AND NLG INDICATING AND WARNING TEST IAW MM 32-61-00-501. ALL SYSTEMS OPS CK GOOD.