# Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-120 Series Airplanes
> **Rule** · Final rule. · Published 2000-11-28 · Effective 2001-01-02 · 65 FR 70785
## Document
- **Document number:** 00-29801
- **Category:** airworthiness
- **Manufacturer:** Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-120 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 70785
- **Publication date:** 2000-11-28
- **Effective date:** 2001-01-02
- **FAA docket:** Docket No. 2000-NM-131-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain EMBRAER Model EMB-120 series airplanes, that requires installation of an additional drain at the fuselage aft section. This action is necessary to prevent mechanical blockage of the elevator control cables due to the freezing of water collected inside the fuselage between the rear pressure bulkhead and the fire wall of the auxiliary power unit. Such cable blockage could result in reduced controllability of the airplane. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/11/28/00-29801/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-120-series-airplanes)
---
*AI Analytics · CC0 1.0*