# Airworthiness Directives; McDonnell Douglas Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30 and DC-10-30F (KC-10A and KDC-10) Airplanes; Model DC-10-40 and DC-10-40F Airplanes; and Model MD-11 and MD-11F Airplanes
> **Rule** · Final rule. · Published 2007-12-17 · Effective 2008-01-22 · 72 FR 71206
## Document
- **Document number:** E7-23934
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 72 FR 71206
- **Publication date:** 2007-12-17
- **Effective date:** 2008-01-22
- **FAA docket:** Docket No. FAA-2005-21470
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30 and DC-10-30F (KC-10A and KDC-10) airplanes; Model DC-10-40 and DC-10- 40F airplanes; and Model MD-11 and MD-11F airplanes. This AD requires, for certain airplanes, modifying the thrust reverser command wiring of the number 2 engine. For certain other airplanes, this AD requires modifying the thrust reverser system wiring from the flight compartment to engines 1, 2, and 3 thrust reversers. This AD also requires installing thrust reverser locking systems on certain airplanes. This AD results from a determination that the thrust reverser systems on these McDonnell Douglas airplanes do not adequately preclude unwanted deployment of a thrust reverser. We are issuing this AD to prevent an unwanted deployment of a thrust reverser during flight, which could result in reduced controllability of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/12/17/E7-23934/airworthiness-directives-mcdonnell-douglas-model-dc-10-10-dc-10-10f-dc-10-15-dc-10-30-and-dc-10-30f)
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