# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2017-09-22 · Effective 2017-10-27 · 82 FR 44301
## Document
- **Document number:** 2017-19767
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 82 FR 44301
- **Publication date:** 2017-09-22
- **Effective date:** 2017-10-27
- **FAA docket:** Docket No. FAA-2016-9185
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 757-200, -200PF, and -200CB series airplanes. This AD was prompted by an analysis of the cam support assemblies of the main cargo door (MCD) that indicated that the existing maintenance program for the cam support assemblies is not adequate to reliably detect cracks before two adjacent cam support assemblies could fail. This AD requires an inspection to determine part numbers, repetitive inspections to detect cracking of affected cam support assemblies of the MCD, and replacement if necessary. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/09/22/2017-19767/airworthiness-directives-the-boeing-company-airplanes)
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