Service Instruction No. 1569 A

Installation of Lycoming Electronic Ignition System (EIS)

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Service Instruction No. 1569 A
DATE:

September 2, 2020

SUBJECT:

Installation of Lycoming Electronic Ignition System (EIS)

MODELS AFFECTED:

Lycoming 4 and 6-Cylinder piston aircraft engines

TIME OF COMPLIANCE:

At the owner/operator’s discretion.

REASON FOR REVISION:

Revised item 1 on page 1. Revised note at the end of Section III. Revised the LED Codes for all EIS part numbers in Table 1. Revised item 5 in Section V. Revised NOTICE after item 5 in Section V. Revised Section VI to delete reference to SB 311 and add a Drive Gear Inspection procedure. Revised NOTICE in Section X. Added Lycoming part numbers in Section X. Revised manifold pressure port inspection in Section XVI. Added Testing to Section XXI. ICA Engine.

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