# Proposed AD 2001-NM-343-AD: McDonnell Douglas Model DC-8-11, DC-8-12, DC-8-21, DC-8-31, DC-8-32, DC-8-33, DC-8-41, DC-8-42, DC-8-43, DC-8F-54, and DC-8F-55 Airplanes; and DC-8-50, DC-8-60, DC-8-60F, DC-8-70, and DC-8-70F Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2005-15-14
- Products: McDonnell Douglas
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: August 14, 2003, 68 FR 48576
- Comments due: September 29, 2003
- Became: [AD 2005-15-14](https://openairdocs.org/ad/2005-15-14)
- Docket: 2001-NM-343-AD
- FR document: 03-20715
- Official PDF: https://openairdocs.org/files/sha256/3e/d3/3ed3a96daf5c84e5e8b3f2d9ca4328e3409f4e242dbe097f0c3dcae7217ff8bb (from https://www.govinfo.gov/content/pkg/FR-2003-08-14/pdf/03-20715.pdf)
- Federal Register: https://www.federalregister.gov/documents/2003/08/14/03-20715/airworthiness-directives-mcdonnell-douglas-model-dc-8-11-dc-8-12-dc-8-21-dc-8-31-dc-8-32-dc-8-33
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/46F548F453DE237086256D82004CAAF3.0001
- Page: https://openairdocs.org/proposed/2001-NM-343-AD

## Summary

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas airplane models. For certain airplanes, this proposal would require a one-time test to determine the material of the upper inboard spar cap of the wing, or a one-time inspection to determine if the slant panel cap has been repaired previously. For most airplanes, this proposal also would require a one-time inspection for corrosion of the slant panel cap of the wing leading edge assembly, and follow-on actions. This action is necessary to prevent stress corrosion cracking in the forward tang of the upper inboard spar cap of the wing, which could result in structural damage to adjacent components of the wing and consequent reduced structural integrity of the airplane. This action is intended to address the identified unsafe condition.

## Notices in this docket

- Aug 14, 2003: Notice of proposed rulemaking (NPRM). (first notice), FR document 03-20715, comments due Sep 29, 2003 (https://www.federalregister.gov/documents/2003/08/14/03-20715/airworthiness-directives-mcdonnell-douglas-model-dc-8-11-dc-8-12-dc-8-21-dc-8-31-dc-8-32-dc-8-33)

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