# Airworthiness Directives; McDonnell Douglas Model DC-8-70 and -70F Series Airplanes
> **Rule** · Final rule. · Published 2004-03-25 · Effective 2004-04-29 · 69 FR 15234
## Document
- **Document number:** 04-6500
- **Category:** airworthiness
- **Manufacturer:** McDonnell Douglas Model DC-8-70 and -70F Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 69 FR 15234
- **Publication date:** 2004-03-25
- **Effective date:** 2004-04-29
- **FAA docket:** Docket No. 2001-NM-133-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC-8-70 and -70F series airplanes, that requires repetitive inspections for cracking of the lower cargo doorjamb corners, and corrective action if necessary. For certain airplanes, this AD provides for optional terminating action for certain repetitive inspections. For certain other airplanes, this AD requires modification of the lower cargo doorjamb corners. This action is necessary to detect and correct cracking in the lower cargo doorjamb corners, which could result in rapid decompression of the fuselage and consequent reduced structural integrity of the airplane. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/03/25/04-6500/airworthiness-directives-mcdonnell-douglas-model-dc-8-70-and--70f-series-airplanes)
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