# Airworthiness Directives; Boeing Model 747, 757, 767 and 777 Series Airplanes
> **Rule** · Final rule. · Published 2000-12-29 · Effective 2001-02-02 · 65 FR 82901
## Document
- **Document number:** 00-33017
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 82901
- **Publication date:** 2000-12-29
- **Effective date:** 2001-02-02
- **FAA docket:** Docket No. 2000-NM-217-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 747, 757, 767 and 777 series airplanes, that requires modification of certain drip shields located on the flight deck, and follow-on actions. This action is necessary to prevent potential ignition of the moisture barrier cover of the drip shield, which could propagate a small fire that results from an otherwise harmless electrical arc, leading to a larger fire. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/12/29/00-33017/airworthiness-directives-boeing-model-747-757-767-and-777-series-airplanes)
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