Cessna Citation CJ3+ — Service Bulletins

This service bulletin, SB525B-76-04, addresses the replacement of the Full Authority Digital Engine Control (FADEC) units in Cessna Citation CJ3+ aircraft. Specifically, it provides instructions for replacing the outdated 9912614-2 FADEC with the updated 9912614-3 FADEC. The bulletin applies to specific serial numbers of the CJ3+ and outlines the compliance requirements, which are optional for owners. It emphasizes the importance of following the instructions precisely and using only the specified parts. The document also includes references to the affected maintenance manuals and flight manuals, ensuring that all operational changes are documented and communicated to the flight crew. Overall, this bulletin is crucial for maintaining the aircraft's engine control systems and ensuring compliance with FAA regulations.

• This service bulletin is for Cessna Citation CJ3+ aircraft, specifically serial numbers 525B-0057 and 525B-0451 to 525B-0582.
• The outdated 9912614-2 FADEC must be replaced with the updated 9912614-3 FADEC units.
• Compliance with this bulletin is optional but must follow strict guidelines if undertaken.
• Both FADEC units must be replaced simultaneously to ensure proper functionality.
• Updates to the FAA Approved Airplane Flight Manual and Pilots' Checklist are required after installation.