# Airworthiness Directives; Fokker Services B.V. Airplanes
> **Rule** · Final rule. · Published 2016-11-29 · Effective 2017-01-03 · 81 FR 85841
## Document
- **Document number:** 2016-28341
- **Category:** airworthiness
- **Manufacturer:** Fokker Services B.V.
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 85841
- **Publication date:** 2016-11-29
- **Effective date:** 2017-01-03
- **FAA docket:** Docket No. FAA-2016-6895
## Abstract

We are adopting a new airworthiness directive (AD) for certain Fokker Services B.V. Model F28 airplanes. This AD was prompted by reports indicating that the main landing gear (MLG) could not be extended and locked down during approach. This AD requires inspection of the restrictor check valve filter screens to detect any degraded or failed filter screens, and installation of serviceable parts. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/11/29/2016-28341/airworthiness-directives-fokker-services-bv-airplanes)
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