EASA SIB 2008-35R1: WITHDRAWN - FAA SAIB NE-08-17R3 TRANSFERRED TO EASA SUP WEBPAGE

What to do

Affected operators and maintenance organizations should review the attached FAA SAIB to identify any critical parts that may have been improperly repaired. They should verify the status of CFM56 engines installed or held as spares and monitor further updates from the FAA investigation expected to conclude by the fourth quarter of 2008. No mandatory actions are required by this EASA bulletin, but vigilance and proactive checks are recommended.

Summary

EASA Safety Information Bulletin SIB No. 2008-35 Revision 1 is a safety information bulletin addressing critical parts for CFM56 series engines that may have been improperly repaired and approved for return to service. This bulletin applies to CFM56 engines installed on or held as spares for aircraft including Airbus A318, A319, A320, A321, A340 series, Boeing 737 series, and McDonnell Douglas DC-8-70 series. The bulletin references the FAA Special Airworthiness Information Bulletin NE-08-17 Revision 1.

What changed

This bulletin updates and revises the previous FAA SAIB NE-08-17 to inform stakeholders about the ongoing investigation into improperly repaired critical parts on CFM56 series engines. It highlights the identification of affected parts and engines and provides updated information from the FAA investigation as of May 2008.

Why it matters

This information is important for aviation professionals because improperly repaired critical engine parts can compromise engine safety and reliability. Operators, maintenance organizations, and compliance teams need to be aware of potential risks to ensure airworthiness and prevent unsafe operations involving affected CFM56 engines on multiple aircraft types.

What to do

Summary

What changed

Why it matters

More for Airbus A318