# Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes
> **Rule** · Final rule; request for comments. · Published 2008-03-24 · Effective 2008-04-08 · 73 FR 15397
## Document
- **Document number:** E8-5702
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 73 FR 15397
- **Publication date:** 2008-03-24
- **Effective date:** 2008-04-08
- **FAA docket:** Docket No. FAA-2008-0303
## Abstract

We are adopting a new airworthiness directive (AD) for all Boeing Model 737-300, -400, and -500 series airplanes. This AD requires repetitive inspections of the downstop assemblies on the main tracks of the No. 2, 3, 4, and 5 slats and the inboard track of the No. 1 and 6 slats to verify if any parts are missing, damaged, or in the wrong order. This AD also requires other specified actions, and related investigative and corrective actions if necessary. This AD results from reports of fuel leaking from a puncture in the slat track housing (referred to as the "slat can"). We are issuing this AD to detect and correct loose or missing parts from the main slat track downstop assemblies, which could puncture the slat can and result in a fuel leak and consequent fire.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/03/24/E8-5702/airworthiness-directives-boeing-model-737-300--400-and--500-series-airplanes)
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