Service Instruction

SI 1009BF

Lycoming Engines

Issued
2026-07-20
Models covered
2
SI

SI 1009BF

Lycoming Engines

Issued 2026-07-20

Time Between Overhaul (TBO) Schedules

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.

Source: Lycoming Engines, retrieved 2026-08-13

Applies to 2 models in our index