Business · 27/01/2010Updated: 10/17/2026 · 1 min read
Sikorsky Proposes New Airworthiness Directive for S-92A Helicopters to Address Main Gearbox Filter Failure
Summary
Sikorsky Aircraft Corporation is proposing a new airworthiness directive for the S-92A helicopters to address potential failures of the main gearbox filter bowl assembly, which could lead to loss of control of the helicopter. The proposed directive would require replacing the filter bowl assembly and inspecting related components to prevent such failures.