EASA SIB CE-14-19: Cessna 310, 401, 402, 411, 414 and 421 series Aeroplanes — MLG Torque Link

What to do

Owners, operators, and maintenance personnel should inspect the MLG torque link assembly on affected Cessna models and verify that the correct washers are installed in the proper position. For Cessna 310P, 310Q, and 310R models, comply with Service Bulletin MEB02-12. For other listed models, comply with Service Bulletin ME83-37. No specific compliance deadline is stated, but timely action is recommended to mitigate risk.

Summary

The FAA Special Airworthiness Information Bulletin SAIB: CE-14-19 addresses an airworthiness concern related to the main landing gear (MLG) torque link assembly on Cessna 300 and 400 series airplanes, including models 310P, 310Q, 310R, 401, 401A, 401B, 402, 402A, 402B, 402C, 411, 411A, 414, 414A, 421, 421A, 421B, and 421C. The bulletin highlights the need to inspect and ensure the correct thickness and positioning of washers in the MLG torque link assembly. This information bulletin is advisory and does not mandate regulatory action under 14 CFR part 39.

What changed

This bulletin introduces a recommendation to inspect the MLG torque link assembly for correct washer thickness and placement to prevent torque link failure. It references compliance with existing Cessna Service Bulletins MEB02-12 and ME83-37 for the affected models. No new regulatory requirements or airworthiness directives are issued.

Why it matters

Proper maintenance of the MLG torque link assembly is critical to prevent landing gear failure that can lead to runway excursions and damage to the aircraft. Operators and maintenance personnel must be aware of the potential risk and ensure compliance with service bulletins to maintain safe landing gear operation. This bulletin serves as a reminder to those who may not be familiar with the existing service information.