# Airworthiness Directives; McDonnell Douglas Model MD-11 and MD-11F Airplanes
> **Rule** · Final rule. · Published 2005-01-31 · Effective 2005-03-07 · 70 FR 4755
## Document
- **Document number:** 05-1557
- **Category:** airworthiness
- **Manufacturer:** McDonnell Douglas Model MD-11 and MD-11F
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 70 FR 4755
- **Publication date:** 2005-01-31
- **Effective date:** 2005-03-07
- **FAA docket:** Docket No. FAA-2004-19262
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model MD-11 and MD-11F airplanes. This AD requires inspecting the power feeder cables of the auxiliary power unit (APU) for chafing damage, and accomplishing any related corrective action. This AD also requires modifying the drain line of the fuel feed shroud of the horizontal stabilizer. This AD is prompted by a report of the drain line of the fuel feed shroud riding on the power feeder cables of the APU. We are issuing this AD to prevent chafing of the power feeder cables of the APU, which could result in electrical arcing to adjacent structure and consequent fire in the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/01/31/05-1557/airworthiness-directives-mcdonnell-douglas-model-md-11-and-md-11f-airplanes)
---
*AI Analytics · CC0 1.0*