Cirrus SR22T — Service Bulletins

This Service Bulletin (HC-SB-30-390) from Hartzell Propeller Inc. addresses potential interference issues between the anti-ice travel tube and the spinner dome on specific Hartzell propellers installed on Cirrus SR22 and SR22T aircraft. The bulletin outlines necessary inspections, compliance timelines, and replacement procedures to ensure continued airworthiness. It emphasizes the importance of adhering to the latest revisions and provides detailed instructions for inspecting and adjusting components to prevent damage. The document is essential for maintenance personnel and operators of affected aircraft to maintain safety and compliance with FAA regulations.

• Affected models: Cirrus SR22 and SR22T with specific Hartzell propellers.
• Inspection required within 50 flight hours of bulletin release.
• Minimum gap between travel tube and spinner dome: 0.080 inch (2.03 mm).
• Travel tube replacement must occur within 2400 hours TSN or 72 months from installation.
• Approximately 0.3 man-hours required for inspection.