EASA SIB NE-08-49R1
General Electric (GE) CJ610 series turbojet and CF700 series turbofan engines - Premature Distress or Failure of Combustion Liner Inner Shells
Summary
The FAA Special Airworthiness Information Bulletin SAIB NE-08-49R1 addresses premature distress or failure of combustion liner inner shells, part number AFT-5016T30G02, installed in General Electric CJ610 series turbojet and CF700 series turbofan engines. This bulletin informs owners, operators, and repair facilities about potential cracking issues that could lead to engine damage. The combustion liner inner shells were manufactured by AFT Technologies under Parts Manufacturer Approval (PMA).
What Changed
SAIB NE-08-49R1 introduces an alert regarding the risk of premature cracking and failure of the combustion liner inner shells in GE CJ610 and CF700 engines. It does not mandate corrective action but recommends monitoring and inspection procedures to detect early signs of distress. This bulletin updates previous information by providing inspection guidance and contact details for the PMA holder.
Why It Matters
This bulletin is important for aviation professionals because premature failure of the combustion liner inner shells can cause engine damage and potential in-flight issues. Operators and maintenance organizations need to be aware of this risk to ensure timely inspections and prevent engine failures. Compliance teams should incorporate these recommendations into their maintenance programs to maintain engine reliability and safety.
What To Do
Operators and maintenance personnel should monitor GE CJ610 and CF700 engines equipped with combustion liner inner shell P/N AFT-5016T30G02 for signs of cracking. They should perform inspections at intervals and using procedures specified by AFT Technologies, the PMA holder, who can be contacted at (917) 400-1316 for guidance. No mandatory compliance deadline is specified, but proactive inspection is advised to prevent engine damage.
AI-generated summary from official EASA source document. Always verify against the original.