CESSNA 310Q — Service Bulletins

This Service Bulletin No. 209 addresses the inspection of alternator mounting brackets for specific alternators installed on various Cessna aircraft models, including the Cessna 185. It outlines the affected part numbers, the reason for the bulletin, and the compliance requirements for aircraft owners and operators. The bulletin emphasizes the importance of using the most recent revision for safety and compliance, detailing the steps necessary for inspection and corrective actions if issues are found. It is crucial for maintenance personnel to follow the instructions carefully to ensure airworthiness and safety.

• Affected alternator part numbers include 10-1050, AL12-50C, and others.
• Compliance with inspection is required at the next scheduled or annual inspection.
• Inspect for stress cracks in the alternator mounting bracket P/N 10-9003.
• Gaps between the alternator mounting bracket and spacers must be ≤ 0.007 inches.
• Contact Hartzell Engine Technologies for technical support regarding this bulletin.