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SI 1423

Lycoming Engines

Issued
2016-05-13
Models covered
5

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SI

SI 1423

Lycoming Engines

Issued 2016-05-13

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.

Thermostatic Oil Cooler Bypass Valve Part Number

Source: Lycoming Engines, retrieved 2026-09-01

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

Applies to 5 models in our index

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