83321 Inner Primary Lock S-Hook (Left) - Removal / Installation 04G0421.055 No Airframe 78.33.04 0.0 0 0 0.0 Hrs 0 CtL 26 Nov 2007 4.00 Inner Primary Lock SHook (Right) - Removal/ 783322 0.0 Installation 04G0421.055 0 0 OL No 0 26 Nov 2007 Airframe 78.33.04 0.0 Hrs 4.00 Outer Primary Lock