Service Bulletin No. 369 S

ENGINE INSPECTION AFTER OVERSPEED

Publications
ENGINE INSPECTION AFTER OVERSPEED
DATE:

April 9, 2020

SUBJECT:

Engine Inspection after Overspeed

MODELS AFFECTED:

All Lycoming piston engines.

TIME OF COMPLIANCE:

As required by the subject bulletin.

REASON FOR REVISION:

Added new engine model IO-390-D to Table 1. Added new steps in Table 4 to include EIS Overspeed. Added a new NOTICE before the Magneto Overspeed Inspection section. Added a new section for EIS Overspeed Inspection.

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