EASA SIB CE-16-16: Textron Aviation Inc. (Cessna) 180 and 185 aeroplanes - Inspections of the tailcone reinforcement

What to do

Operators and maintenance personnel of Cessna Models 180 and 185 equipped with floats or skis should follow the updated Cessna Service Manuals and supplemental inspection documents that specify severe usage environment inspection intervals. Regular inspections focusing on the stabilizer hinge brackets and tailcone reinforcement brackets should be conducted to detect cracks or corrosion. No specific compliance deadline is mandated, but adherence to the recommended inspection schedules is advised.

Summary

The Special Airworthiness Information Bulletin Textron Aviation Inc. (Cessna) 180 and 185 aeroplanes - Inspections of the tailcone reinforcement is an FAA informational bulletin addressing potential cracks and corrosion in the stabilizer hinge brackets and tailcone reinforcement brackets on Cessna Models 180 and 185 equipped with floats or skis. This bulletin highlights inspection recommendations for airplanes operating in severe usage environments but does not mandate regulatory action. It is intended for owners, operators, maintenance technicians, and inspectors of these specific aircraft models.

What changed

This bulletin introduces updated inspection guidance based on recent findings of cracks in the tailcone reinforcement and stabilizer hinge brackets on Cessna 185 airplanes. Textron Aviation has revised the supplemental inspection documents (SID) for Models 180 and 185 from various production years to include severe usage environment time limits for airplanes equipped with floats or skis. The bulletin emphasizes adherence to these updated service manuals but does not impose mandatory compliance.

Why it matters

This information is important for aviation professionals because it highlights a potential airworthiness concern that could affect the structural integrity of the horizontal tail section on Cessna 180 and 185 airplanes operating in harsh conditions. Early detection of cracks and corrosion can prevent excessive movement and possible failure, ensuring continued safe operation. Maintenance and compliance teams need to be aware of the severe usage environment criteria to properly schedule inspections and maintenance.