737NG develops premature cracks in pickle forks.

Boeing engineers and safety investigators are scrambling to find out how many Boeing 737NGs have cracked 'pickle forks' after finding several in the jets.A pickle fork is the part that helps attach a plane's fuselage to its wing structure. It helps manage the stress, torque and aerodynamic forces that bend the connection between the wings and the body of the jet. Engineers design pickle forks to last the lifetime of the plane, more than 90,000 landings and takeoffs, a term known… (komonews.com) Ещё...