# Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and LO-360 Series Reciprocating Engines
> **Rule** · Final rule. · Published 2006-03-23 · Effective 2006-04-27 · 71 FR 14638
## Document
- **Document number:** 06-2759
- **Category:** airworthiness
- **Manufacturer:** Lycoming
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 71 FR 14638
- **Publication date:** 2006-03-23
- **Effective date:** 2006-04-27
- **FAA docket:** Docket No. FAA-2005-23269
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Lycoming Engines (formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and LO-360 series reciprocating engines. This AD requires replacing certain crankshafts. This AD results from a crankshaft failure in a Lycoming LO-360-A1H6 reciprocating engine. We are issuing this AD to prevent failure of the crankshaft, which could result in total engine power loss, in-flight engine failure, and possible loss of the aircraft.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/03/23/06-2759/airworthiness-directives-lycoming-engines-formerly-textron-lycoming-aeio-360-io-360-o-360-lio-360)
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