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Service Instruction

SI 1047

Lycoming Engines

Issued
2017-08-21
Models covered
7

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SI

SI 1047

Lycoming Engines

Issued 2017-08-21

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.

Inspection and Reconditioning Procedures for Nitride Hardened Steel Cylinders

Source: Lycoming Engines, retrieved 2026-09-01

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

Applies to 7 models in our index

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