# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2018-10-15 · Effective 2018-11-19 · 83 FR 51815
## Document
- **Document number:** 2018-21971
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 83 FR 51815
- **Publication date:** 2018-10-15
- **Effective date:** 2018-11-19
- **FAA docket:** Docket No. FAA-2017-0814
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by significant changes made to the airworthiness limitations (AWL) related to fuel tank ignition prevention and the nitrogen generation system. This AD requires revision of the maintenance or inspection program, as applicable, to include the latest revision of the AWLs. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/10/15/2018-21971/airworthiness-directives-the-boeing-company-airplanes)
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