# Airworthiness Directives; CFM International (CFMI) CFM56-2, -2A, -2B, -3, -3B, -3C, -5, -5B, -5C, and -7B Series Turbofan Engines
> **Rule** · Final rule. · Published 2002-06-27 · Effective 2002-08-01 · 67 FR 43232
## Document
- **Document number:** 02-16173
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 67 FR 43232
- **Publication date:** 2002-06-27
- **Effective date:** 2002-08-01
- **FAA docket:** Docket No. 98-ANE-38-AD
## Abstract

This amendment supersedes an existing airworthiness directive (AD), that is applicable to certain CFM International (CFMI) CFM56 series turbofan engines. That AD currently requires revisions to the Airworthiness Limitations Section of applicable Engine Shop Manuals (ESM's) to include required enhanced inspection of selected critical life-limited parts at each piece-part exposure. This amendment requires revisions to the Airworthiness Limitations Section of the applicable manufacturer's manuals and air carrier's approved continuous airworthiness maintenance program to incorporate additional inspections of selected critical life-limited parts at each piece-part exposure. This amendment is prompted by an FAA study of in-service events involving uncontained failures of critical rotating parts. The actions specified by this AD are intended to prevent critical life-limited rotating engine part failure, which could result in an uncontained engine failure and damage to the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/06/27/02-16173/airworthiness-directives-cfm-international-cfmi-cfm56-2--2a--2b--3--3b--3c--5--5b--5c-and--7b-series)
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