# Airworthiness Directives The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2016-12-22 · Effective 2017-01-26 · 81 FR 93795
## Document
- **Document number:** 2016-30032
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 93795
- **Publication date:** 2016-12-22
- **Effective date:** 2017-01-26
- **FAA docket:** Docket No. FAA-2015-7531
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-8 airplanes. This AD was prompted by reports of electrical shorts of the motor stator wiring burning a hole through the housing of the motor of the cabin air compressor (CAC). This AD requires installing modified inboard and outboard CAC modules on the left-hand (LH) side and right-hand (RH) side cabin air conditioning and temperature control system (CACTCS) packs. We are issuing this AD to prevent the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/12/22/2016-30032/airworthiness-directives-the-boeing-company-airplanes)
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