Piper Pilot 100 — Service Bulletins

Service Bulletin No. 1372 from Piper Aircraft, Inc. addresses mandatory compliance for inspections of the main wing spar in various Piper aircraft models, including the Piper Pilot 100. This bulletin supersedes previous service bulletins and outlines the necessary inspections to ensure the safety and airworthiness of the affected aircraft. The bulletin specifies compliance timelines and procedures for initial and recurring inspections based on the aircraft's usage and maintenance history. It emphasizes the importance of adhering to these guidelines to prevent potential structural failures due to fatigue or damage in the wing spars.

• Initial compliance required within 30 days of bulletin effectivity.
• Recurring inspections required after each annual/100-hour inspection.
• Specific CSH thresholds dictate inspection intervals.
• Safety measures are in place to prevent fatigue fractures in wing spars.
• Flight with known structural cracks is prohibited.