Service Bulletin No. 576

Reprint of Teledyne Continental Ignition Systems Service Bulletin No. SB633A

  • Publications

DATE: September 21, 2007

MODELS AFFECTED

All Lycoming aircraft engines employing TCM and Bendix S4LN-21, S6LN- 25, S4LN-204, S6LN-204, S4LSC-21T, S6LSC-25T, S4LSC-204T, S6LSC- 204T series magnetos.

TIME OF COMPLIANCE

Same as that required for Service Bulletin No. 663A.

This reprint is current at the time Service Bulletin No. 576 is issued. However, when complying with this Service Bulletin, insure that this reprint of Teledyne Continental Ignition Systems Service Bulletin No. SB663A is still current at time of compliance.

Product Support Network

Wherever you are in the world, you have access to exceptional expertise and knowledge about Lycoming engines. Get the most comprehensive customer service and support in the general aviation industry.

Get It Exchanged

Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.