Piper PA-34 Seneca V — Service Bulletins

This document is Service Bulletin No. 1123B, which addresses inspection and product improvements for the nose gear of the Piper PA-34 series aircraft, specifically focusing on the PA-34-220T Seneca V. It supersedes previous bulletins and introduces revised inspection requirements to prevent nose gear failures. The bulletin outlines compliance timelines, inspection procedures, and modifications to components to enhance their service life. It is intended for maintenance personnel and operators of the affected aircraft models, providing critical information on maintenance actions that must be taken to ensure safety and compliance with FAA regulations.

• The bulletin applies to multiple PA-34 models, including the Seneca V (PA-34-220T).
• Compliance with inspection requirements is mandatory within 50 hours of service or at the next scheduled maintenance.
• Specific inspections for the nose gear must be performed at 50, 100, 500, and 1000 hours of operation.
• Modified components include stronger bolts and revised steering channels to prevent failures.
• Rigging instructions must be followed precisely to ensure proper nose gear operation.