Lycoming TIO-540 — Airworthiness Directives & known issues

Engine ADs for the Lycoming TIO-540

• recurring
  AD 2017-12075 — Airworthiness Directives; Lycoming Engines Reciprocating Engines

  We are adopting a new airworthiness directive (AD) for all Lycoming TIO-540-AJ1A reciprocating engines. This AD requires initial and repetitive inspections of engine exhaust system weld joints and torque checking the exhaust pipe flange mounting nuts. This AD was prompted by seve…

• one-time
  AD E6-15958 — Airworthiness Directives; Lycoming Engines (L)O-360, (L)IO-360, AEIO-360, O-540, IO-540, AEIO-540, (L)TIO-540, IO-580, and IO-720 Series Reciprocating Engines.

  The FAA is adopting a new airworthiness directive (AD) for certain Lycoming Engines (L)O-360, (L)IO-360, AEIO-360, O-540, IO-540, AEIO-540, (L)TIO-540, IO-580, and IO-720 series reciprocating engines. This AD requires replacing certain crankshafts. This AD results from reports of…

• one-time
  AD 04-14477 — Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming), Direct-Drive Reciprocating Engines; Correction

  This document makes corrections to Airworthiness Directive (AD) 2004-10-14, applicable to Lycoming Engines (formerly Textron Lycoming), direct-drive reciprocating engines that was published in the Federal Register on May 21, 2004 (69 FR 29210). Some corrections to engine models h…

• one-time
  AD 96-14220 — Airworthiness Directives; Textron Lycoming Model TIO-540-S1AD Reciprocating Engines

  This amendment revises an existing airworthiness directive (AD), applicable to Textron Lycoming Model TIO-540-S1AD reciprocating engines, that currently requires the upgrade of the engine exhaust system to a new design configuration; and also establishes inspection intervals for …

Exact applicability (by engine serial and installed parts) and compliance come from the aircraft’s engine logs.