CESSNA 210 — Service Bulletins

This Airworthiness Bulletin (AWB) addresses safety concerns related to the electro-hydraulic undercarriage retraction systems in Cessna single-engine aircraft, specifically focusing on the Cessna 210. It alerts pilots, operators, and maintainers to the risks of fire and smoke in the cockpit due to potential malfunctions of the hydraulic power pack. The bulletin highlights incidents of overheating and electrical failures that have led to in-flight cabin fires, urging compliance with recommended safety measures. The document serves as a critical reference for ensuring the safe operation of the undercarriage system and preventing incidents related to hydraulic power pack failures.

• The bulletin addresses safety issues with the hydraulic undercarriage systems in Cessna aircraft, particularly the Cessna 210.
• Pilots should pull the Gear Pump circuit breaker if the hydraulic pump motor runs for more than one minute after gear cycle completion.
• Later models of the Cessna 210 have a red indicator light for system pressure; early models may not have this feature.
• CASA recommends installing an indicator light if not already equipped and a circuit breaker that can deactivate the motor.
• Report all defects related to retractable undercarriages to CASA.