# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2013-10-03 · Effective 2013-11-07 · 78 FR 61161
## Document
- **Document number:** 2013-24105
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 78 FR 61161
- **Publication date:** 2013-10-03
- **Effective date:** 2013-11-07
- **FAA docket:** Docket No. FAA-2012-0680
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model DC-10-10 and MD-10-10F airplanes. This AD was prompted by a report that the safe life limit on certain main landing gear (MLG) upper torque link bolts is reduced significantly due to those bolts being fabricated from bar stock with a machined head instead of from a forged blank with an upset head. This AD requires replacing certain MLG upper torque link bolts with new or serviceable parts. We are issuing this AD to prevent damage to the MLG and consequent damage to airplane structure, which could adversely affect the airplane's continued safe flight and landing.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/10/03/2013-24105/airworthiness-directives-the-boeing-company-airplanes)
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