Cessna 400 Corvalis TT — Systems Description

This document, TCM SB10-1, serves as a service bulletin specifically for the Cessna 400 Corvalis TT equipped with the Continental TSIO-550-C engine. It outlines critical inspection procedures and maintenance recommendations for the aircraft's transition assembly and exhaust system components. The bulletin emphasizes the importance of regular inspections to ensure the integrity and safety of the aircraft's systems, particularly focusing on potential issues with Inconel parts, which require careful examination due to their susceptibility to internal corrosion. This document is essential for maintenance personnel and pilots who are responsible for the upkeep of the Cessna 400 Corvalis TT.

• Perform a 25-hour inspection on the transition assembly after maintenance history.
• Conduct a 50-hour visual inspection of components and joints.
• Inspect transition assembly for blisters or cracks, especially at the bypass.
• Inconel parts require careful inspection due to internal corrosion risks.
• Use complete assemblies for slip fit stacks to ensure joint integrity.