Piper PA-38 Tomahawk — Maintenance Manual

This document is a Service Bulletin for the Piper PA-38-112 Tomahawk, specifically addressing modifications and hardware replacements for the landing gear. It outlines compliance requirements for maintenance events, inspections, and hardware replacement procedures to enhance safety and reliability. The bulletin is crucial for ensuring that the landing gear remains secure and functional, particularly after hard landings or when exceeding design landing weights. Compliance with the bulletin is mandatory and is intended for maintenance personnel and aircraft owners to ensure adherence to safety regulations and standards.

• Compliance with the Service Bulletin is mandatory for safety.
• Landing gear modification must occur at the next maintenance event or after specific landing conditions.
• Periodic inspections of landing gear hardware should not exceed 100 hours of service.
• Replacement of landing gear hardware should occur at intervals not exceeding 1000 hours of service.
• Specific torque values for bolts are critical: NAS6606HL15 (160-200 in-lbs) and NAS6607H22 (270-300 in-lbs).