Piper PA-46 Matrix — Systems Description

This service bulletin (SB #1103) addresses critical inspections and maintenance requirements for the Piper PA-46-350T Matrix and PA-46-350P Mirage aircraft. It specifically outlines the inspection protocols for the engine mount actuator attach feet area and the transition header, emphasizing the need for regular checks to ensure structural integrity. The bulletin mandates inspections every 100 hours of operation until the engine mount is replaced if any cracks are found. Additionally, it provides alternate compliance methods through Acorn Welding to relieve repetitive inspections. This document is essential for maintenance personnel and pilots to ensure safety and compliance with regulatory standards.

• Inspect engine mount actuator attach feet area every 100 hours of operation.
• Replace engine mount if cracks are found during inspection.
• Inspect transition header for cracks and ensure joints are free to move.
• Order slip fit stacks as complete assemblies for integrity.
• Acorn Welding's RDC #C-RA04-243/D can relieve repetitive inspections.