# Proposed AD 2001-NM-370-AD: Boeing Model 757 Series Airplanes Powered by Pratt & Whitney Engines

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2003-18-05
- Products: Boeing
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: June 18, 2003, 68 FR 36499
- Comments due: August 4, 2003
- Became: [AD 2003-18-05](https://openairdocs.org/ad/2003-18-05)
- Docket: 2001-NM-370-AD
- FR document: 03-15336
- Official PDF: https://openairdocs.org/files/sha256/a2/2f/a22f87a6bda0f897ef9a4f219997acd002562d3326b207986e62d87748e56d14 (from https://www.govinfo.gov/content/pkg/FR-2003-06-18/pdf/03-15336.pdf)
- Federal Register: https://www.federalregister.gov/documents/2003/06/18/03-15336/airworthiness-directives-boeing-model-757-series-airplanes-powered-by-pratt-and-whitney-engines
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/04F21F58639B617686256D4900594950.0001
- Page: https://openairdocs.org/proposed/2001-NM-370-AD

## Summary

This document proposes the supersedure of an existing airworthiness directive (AD), applicable to certain Boeing Model 757 series airplanes, that currently requires modification of the nacelle strut and wing structure. This action would reduce a certain compliance time in the existing AD. The actions specified by the proposed AD are intended to prevent fatigue cracking in primary strut structure and consequent reduced structural integrity of the strut. This action is intended to address the identified unsafe condition.

## Notices in this docket

- Jun 18, 2003: Notice of proposed rulemaking (NPRM). (first notice), FR document 03-15336, comments due Aug 4, 2003 (https://www.federalregister.gov/documents/2003/06/18/03-15336/airworthiness-directives-boeing-model-757-series-airplanes-powered-by-pratt-and-whitney-engines)

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