# Airworthiness Directives; Continental Motors, Inc. Reciprocating Engines
> **Rule** · Final rule. · Published 2016-10-14 · Effective 2016-11-18 · 81 FR 70929
## Document
- **Document number:** 2016-24794
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 70929
- **Publication date:** 2016-10-14
- **Effective date:** 2016-11-18
- **FAA docket:** Docket No. FAA-2016-0069
## Abstract

We are adopting a new airworthiness directive (AD) for certain Continental Motors, Inc. (CMI) TSIO-550-K, TSIOF-550-K, TSIO-550-C, TSIOF-550-D, and TSIO-550-N reciprocating engines. This AD was prompted by a report of an uncommanded in-flight shutdown (IFSD) resulting in injuries and significant airplane damage. This AD requires replacing the oil cooler cross fitting assembly. We are issuing this AD to prevent failure of the oil cooler cross fitting and engine, IFSD, and loss of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/10/14/2016-24794/airworthiness-directives-continental-motors-inc-reciprocating-engines)
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