What was found
AIRCRAFT WAS GROUNDED: UPON GEAR RETRACTION AFTER TAKE OFF HYDRAULIC GREEN RESEVOIR LOW PRESSURE WARNING CAME ON FOLLOWED BY A LOW LEVEL WARNING. THE AIRCRAFT RETURNED TO MIA, AN EMERGENCY WAS DECLARED. THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT AND WAS REMOVED FROM SERVICE. **SUPPLEMENTAL REPORT: FOUND RUDDER GREEN HYDRAULIC SYSTEM SERVO CONTROL PRESSURE LINE HAD BROKEN AND PULLED AWAY FROM THE B-NUT AT THE FORWARD BULKHEAD IN THE AFT CARGO COMPARTMENT WHICH SATUREATED THE COMPARTMENT WITH FLUID. THE LINE WAS REPAIRED PER AMM 20-23-11 AND THE CARGO COMPARTMENT WAS CLEANED AS REQUIRED. ** (CLOSED)