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Service Instruction

SI 1571

Lycoming Engines

Issued
2018-08-24
Models covered
2

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SI

SI 1571

Lycoming Engines

Issued 2018-08-24

NOT AN FAA REQUIREMENT — This is a manufacturer document. It is not an FAA Airworthiness Directive and compliance is not required by 14 CFR 39 unless an AD cites it.

Lockplate installation for Induction Housing on TIO-540-AJ1A and IO-540-AC1A5

Source: Lycoming Engines, retrieved 2026-09-01

View on Lycoming Engines' site (opens in a new tab)

Applies to 2 models in our index

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