Airworthiness Directives; Textron Lycoming TIO-360, TIO-540, LTIO-540, TIO-541, and TIVO-540 Series Reciprocating Engines

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This document makes a correction to Airworthiness Directive (AD) 91-08-07 applicable to Textron Lycoming TIO-360, TIO-540, LTIO- 540, TIO-541, and TIVO-540 series reciprocating engines that was published in the Federal Register on April 9, 1991 (56 FR 14306). The Textron Lycoming Service Instruction (SI) referenced in the NOTE in the Compliance section is incorrect. This document corrects that SI reference. In all other respects, the original document remains the same.