# Airworthiness Directives; Bombardier, Inc., Airplanes
> **Rule** · Final rule. · Published 2021-06-01 · Effective 2021-07-06 · 86 FR 29185
## Document
- **Document number:** 2021-11426
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 86 FR 29185
- **Publication date:** 2021-06-01
- **Effective date:** 2021-07-06
- **FAA docket:** Docket No. FAA-2021-0097
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-100-1A10 airplanes. This AD was prompted by reports of DC motor pump (DCMP) failures during production flight tests. This AD requires installing a redesigned DCMP electric motor assembly. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/06/01/2021-11426/airworthiness-directives-bombardier-inc-airplanes)
---
*AI Analytics · CC0 1.0*