Regulation & law · 22/09/2009Updated: 10/17/2026 · 1 min read
FAA Adopts Airworthiness Directive for Teledyne Continental Motors Engines with EQ3 Cylinders
Summary
The Federal Aviation Administration (FAA) has issued an airworthiness directive requiring initial and repetitive visual inspections of Teledyne Continental Motors (TCM) O-470, IO-470, TSIO-470, IO-520, TSIO-520, IO-550, and IOF-550 series reciprocating engines with TCM EQ3 cylinders installed to prevent engine failure and fire.
Original source language: Federal Register — All DocumentsOpen original release →