CESSNA 414 — Service Bulletins

This document is an Airworthiness Directive (AD) schedule for the Cessna 414 series aircraft, issued on January 31, 2013. It outlines mandatory inspections, modifications, and compliance requirements for various components and systems of the aircraft to ensure safety and airworthiness. The directives apply to all models within the Cessna 414 series, including the 414A, and cover a range of issues from trim control systems to engine mounts and emergency systems. Pilots and maintenance personnel must adhere to these directives to maintain compliance with aviation safety regulations.

• All model 414 series aircraft must comply with the AD schedule for safety and airworthiness.
• Trim control systems must be inspected within 25 hours TIS and at intervals not exceeding 100 hours TIS.
• Flexible fuel tanks require visual and detailed inspections within specified timeframes.
• Engine mounts on specific serial numbers must be inspected and modified to prevent potential failures.
• Revisions to the flight manual regarding severe icing conditions are mandatory for safe operation.