Service Bulletin

SB 622

Lycoming Engines

Issued: 2019-03-14
Models covered: 4

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SB 622

Lycoming Engines

Issued 2019-03-14

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.

Reprint of Slick/Champion Aerospace Service Bulletin SB1-15

Source: Lycoming Engines, retrieved 2026-09-01

View on Lycoming Engines' site

Applies to 4 models in our index

Lycoming IO-390 Lycoming Engines · engine
Lycoming O-235 Lycoming Engines · engine
Lycoming O-320 Lycoming Engines · engine
Lycoming O-360 Lycoming Engines · engine