Service Bulletin No. 595

Torque Values for Screws that Attach Ignition Harness Attachment Plate

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DATE: May 6, 2011

MODELS AFFECTED

All Lycoming engines with S-20 and S-200 series TCM magnetos.

TIME OF COMPLIANCE

Within 50 hours of engine operation or at the next maintenance event, whichever occurs first.

This Service Bulletin applies to the torque values for the four screws that are used to attach the ignition harness attachment plate for S-20 and S-200 series TCM magnetos on Lycoming engines.

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