# Airworthiness Directives; Boeing Model 737-600, -700, -700C, and -800 Series Airplanes
> **Rule** · Final rule. · Published 2001-04-02 · Effective 2001-05-07 · 66 FR 17487
## Document
- **Document number:** 01-7733
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 17487
- **Publication date:** 2001-04-02
- **Effective date:** 2001-05-07
- **FAA docket:** Docket No. 99-NM-312-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 737-600, -700, -700C, and -800 series airplanes, that requires inspections of the fasteners in the elevator balance panel assemblies to detect various discrepancies; and corrective actions, if necessary. This amendment is prompted by a report that an elevator balance panel was found disconnected from the horizontal stabilizer due to the improper installation of fasteners during production. The actions specified by this AD are intended to prevent jamming, restricting, or binding of the elevator control surfaces due to loose or missing fasteners, which could make the movement of the elevator difficult and decrease aerodynamic control of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/04/02/01-7733/airworthiness-directives-boeing-model-737-600--700--700c-and--800-series-airplanes)
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