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SI 1290F

Lycoming Engines

Issued
2025-06-17
Models covered
4

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SI

SI 1290F

Lycoming Engines

Issued 2025-06-17

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.

Repair of Oil Leakage at Crankcase Thru-Stud Locations; Assembled and Unassembled Engines.

Source: Lycoming Engines, retrieved 2026-09-01

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

Applies to 4 models in our index

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