What was found
FLT#2276, MCO-PVD. (AIRCRAFT PERFORMED AN AIR TURN BACK) ' GREEN HYDRAULIC FAILURE CLIMBING THRU 4,000 MANUAL GEAR EXTENSION NORMAL LANDING; FOUND L/G SAFETY VALVE DETACHED FROM MANIFOLD AND LEAKING. REF L/P 3755398, ITEMS 1 (INSTALLED NEW L/G SAFETY VALVE (49GA) PER AMM 32-31-17. PERFORMED APPLICABLE TEST OF SAFETY VALVE AS PER SUBTASK 32-31-17-720-050A STEP B (1)A FOR LEAK OF ONLY THE SAFETY VALVE PER AMM 32-31-00-710-013. OPS CHECK AND LEAK CHECK OK NO FURTHER FAULTS NOTED AT THIS TIME.) AND 2 (INSTALLED NEW SAFETY VALVE (49GA) MANIFOLD IAW AMM 32-31-17 PERFORMED OPS/ LEAK CHECK IAW AMM 32-31-00-710-005 (SAFETY VALVE CLOSE AT 260KTS). NO DEFECTS NOTED AT THIS TIME.) FOR REMOVAL AND REPLACEMENT OF L/G SAFETY VALVE AND MANIFOLD. NO FURTHER SYSTEM LEAKS NOTED AT THIS TIME.'