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Airworthiness Directive

AD 2016-21-04 81 FR 70929 Active

Federal Aviation Administration · 14 CFR part 39

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FR document
2016-24794
Amendment
39-18685
Published
2016-10-14
Effective
2016-11-18
Models covered
1

Last live check: 2026-08-19

Printed from https://aircraftdirectives.com/ad/2016-21-04 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

This page is a reference Record, not an airworthiness or compliance determination. Official FAA and manufacturer sources control over our restatement, subject to governing law. Check applicability, current requirements and incorporated documents before acting. The owner or operator remains responsible for airworthiness and required records under 14 CFR 91.403 and 91.417, as applicable. Terms of Use: /terms.

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AD

2016-21-04

FR doc 2016-24794 · 81 FR 70929

AD 2016-21-04Published 2016-10-14Effective 2016-11-18

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires replacing the oil cooler cross fitting assembly.

Full official 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.

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All Continental IO-550 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index