# Airworthiness Directives; Boeing Model 737-600, -700, and -800 Series Airplanes
> **Rule** · Final rule; request for comments. · Published 2000-07-13 · Effective 2000-07-28 · 65 FR 43217
## Document
- **Document number:** 00-17301
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 65 FR 43217
- **Publication date:** 2000-07-13
- **Effective date:** 2000-07-28
- **FAA docket:** Docket No. 2000-NM-209-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Boeing Model 737-600, -700, and -800 series airplanes. This action requires installation of placards on the P3-1 panel. This action is necessary to prevent loss of communication between the flight crew and Air Traffic Control; this situation could result in the flight crew being unaware of an unsafe scenario when the airplane is on the ground. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/07/13/00-17301/airworthiness-directives-boeing-model-737-600--700-and--800-series-airplanes)
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