# Airworthiness Directives; McDonnell Douglas Model DC-10-10, -15, -30, -30F (KC-10A Military), and -40 Series Airplanes; and Model MD-10-10F and MD-10-30F Series Airplanes
> **Rule** · Final rule. · Published 2001-07-05 · Effective 2001-08-09 · 66 FR 35371
## Document
- **Document number:** 01-16739
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 35371
- **Publication date:** 2001-07-05
- **Effective date:** 2001-08-09
- **FAA docket:** Docket No. 2000-NM-396-AD
## Abstract

This amendment supersedes an existing airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC-10-10, -15, -30, -30F (KC-10A military), and -40 series airplanes; and Model MD-10-10F and MD-10-30F series airplanes, that currently requires, among other actions, performing repetitive ultrasonic inspections of the attaching bolts on the inboard and outboard support on the inboard and outboard flap assembly to detect failed bolts, or verifying the torque of the attaching bolts on the inboard support on the outboard flap; and follow-on actions. This amendment, among other actions, adds a requirement to verify the torque of the attaching bolts on the outboard support on the inboard and outboard flaps, and allows repetitive torque verifications. This amendment is prompted by a review that revealed inadvertent omission of a requirement. The actions specified by this AD are intended to prevent in-flight loss of inboard and outboard flap assemblies due to failure of H-11 attaching bolts, which could result in reduced controllability of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/07/05/01-16739/airworthiness-directives-mcdonnell-douglas-model-dc-10-10--15--30--30f-kc-10a-military-and--40)
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