# Airworthiness Directives; BAE Systems (Operations) Limited Airplanes
> **Rule** · Final rule. · Published 2018-10-03 · Effective 2018-11-07 · 83 FR 49786
## Document
- **Document number:** 2018-21344
- **Category:** airworthiness
- **Manufacturer:** BAE Systems (Operations) Limited
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 83 FR 49786
- **Publication date:** 2018-10-03
- **Effective date:** 2018-11-07
- **FAA docket:** Docket No. FAA-2018-0511
## Abstract

We are adopting a new airworthiness directive (AD) for all BAE Systems (Operations) Limited Model 4101 airplanes. This AD was prompted by a determination that inspection requirements for a number of maintenance tasks are incorrect. This AD requires a one-time detailed inspection of a certain fuselage frame and repair, if necessary, and a revision of the maintenance or inspection program, as applicable, to incorporate new or revised maintenance instructions and airworthiness limitations. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/10/03/2018-21344/airworthiness-directives-bae-systems-operations-limited-airplanes)
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