AircraftDirectives
Menu
Service Bulletin

SB 301

Lycoming Engines

Issued
2018-08-24
Models covered
8

Opens your browser's print dialog. Choose “Save as PDF” to export a file. Keyboard: Ctrl+P or Cmd+P.

SB

SB 301

Lycoming Engines

Issued 2018-08-24

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.

Maintenance Procedures and Service Limitations for Valves

Source: Lycoming Engines, retrieved 2026-09-01

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

Applies to 8 models in our index

Search