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Service Bulletin

SB 399

Lycoming Engines

Issued
2010-07-09
Models covered
3

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SB

SB 399

Lycoming Engines

Issued 2010-07-09

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.

Action to Take if Loss of Oil Pressure

Source: Lycoming Engines, retrieved 2026-09-01

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

Applies to 3 models in our index

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