# Airworthiness Directives; McDonnell Douglas Model DC-8-50 Series Airplanes; Model DC-8F-54 and DC-8F-55 Airplanes; Model DC-8-60 Series Airplanes; Model DC-8-60F Series Airplanes; Model DC-8-70 Series Airplanes; and Model DC-8-70F Series Airplanes
> **Rule** · Final rule. · Published 2009-04-08 · Effective 2009-05-13 · 74 FR 15841
## Document
- **Document number:** E9-7791
- **Category:** airworthiness
- **Manufacturer:** McDonnell Douglas Model DC-8-50 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 74 FR 15841
- **Publication date:** 2009-04-08
- **Effective date:** 2009-05-13
- **FAA docket:** Docket No. FAA-2008-1324
## Abstract

We are adopting a new airworthiness directive (AD) for all McDonnell Douglas airplanes identified above. This AD requires revising the airplane flight manual to provide the flightcrew with procedures to preclude dry running of the fuel pumps. This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent pump inlet friction (i.e., overheating or sparking) when the fuel pumps are continually run as the center wing fuel tank becomes empty, and/or electrical arc burnthrough, which could result in a fuel tank fire or explosion.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/04/08/E9-7791/airworthiness-directives-mcdonnell-douglas-model-dc-8-50-series-airplanes-model-dc-8f-54-and)
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