Trimmed opening on left side and deformed inner floor skin to remove left elbow fitting. Ran tap into gear leg threads; cleaned thoroughly. Applied Loctite 567 thread sealant to new elbow fittings and reinstalled in gear legs; torqued and clocked. Reconnected upper brake lines; checked torque on all flare fittings and sealed. Sealant will be allowed to cure at least 24 hours before testing.