Robinson R44 Raven I — Service Bulletins

This service bulletin addresses the removal of factory-installed fire extinguishers from Robinson R44 helicopters. It is directed towards owners, operators, and maintenance personnel of both R22 and R44 series helicopters. The bulletin outlines the compliance procedure for removing the fire extinguisher, which has been linked to issues of leaking and damage due to heat. The document specifies the time frame for compliance and provides detailed instructions on how to properly remove the extinguisher and update the helicopter's weight and balance records. It emphasizes the importance of safety and compliance with FAA regulations.

• Compliance required within 100 flight hours or by 31 October 2021.
• Removal of fire extinguishers is necessary due to safety concerns.
• Weight reduction for B381-1 extinguisher is 1.13 lb when removed with fabric pocket and strap.
• Labor time for removal is approximately 0.7 man-hours.
• No parts cost for removal; reinstallation kits are available if needed.