EASA SIB SAIB-2023-14
Landing Gear Retraction / Extension System
The Special Airworthiness Information Bulletin SAIB: 2023-14 is an FAA informational bulletin addressing a potential fractured clevis mounting boss on the main landing gear strut of Twin Commander Aircraft LLC models 500A, 500B, 500S, 500U, 560-F, 680F, 680F(P), 680FL, 680FL(P), 680T, 680V, 680W, 681, 685, 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B airplanes. It alerts owners, operators, and maintenance personnel about this issue without mandating regulatory action. The bulletin highlights a previous incident involving a Twin Commander 500S where the right main landing gear failed to fully extend due to this fractured component.