CESSNA 210 — Airworthiness Directives

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) for the Cessna 210 series aeroplanes. It outlines mandatory inspection requirements for the horizontal stabilizer front spar assembly due to reported cracking issues. The directive applies to all models of Cessna 210 aircraft, with specific compliance timelines based on the aircraft's total time in service. The document emphasizes the importance of these inspections to ensure the structural integrity of the aircraft and prevent potential catastrophic failures. It also provides guidance on how to conduct the inspections, especially for later models with a three-layer spar design.

• Mandatory inspections of the horizontal stabilizer front spar for all Cessna 210 models, except specific serial numbers.
• Initial inspection required before 10,000 hours of service for applicable aircraft.
• Subsequent inspections must occur at intervals not exceeding 110 hours of service.
• Cracks in the front spar web must be repaired before further flight.
• Inspection guidance provided for three-layer spar designs.