# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2017-02-27 · Effective 2017-04-03 · 82 FR 11797
## Document
- **Document number:** 2017-03265
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 82 FR 11797
- **Publication date:** 2017-02-27
- **Effective date:** 2017-04-03
- **FAA docket:** Docket No. FAA-2015-3984
## Abstract

We are superseding Airworthiness Directive (AD) 2008-13-12 R1 for certain The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. AD 2008-13-12 R1 required various repetitive inspections for cracking of a certain splice of the fuselage, and other specified and corrective actions if necessary; and provided for an optional preventive modification, which terminated the repetitive inspections. This new AD adds an inspection to determine if the existing frame repair meets all specified requirements; a modification of a certain splice, which terminates the repetitive inspections; reduces certain inspection thresholds and repetitive intervals; and adds post-repair/post-modification inspections. This AD was prompted by reports of additional fatigue cracking of a certain splice of the fuselage and one report of a severed frame, due to susceptibility to widespread fatigue damage (WFD). We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/02/27/2017-03265/airworthiness-directives-the-boeing-company-airplanes)
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