# Proposed AD 2002-NM-126-AD: Bombardier Model DHC-8-101, -102, -103, -106, -201, -202, -301, -311, and -315 Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2004-20-03
- Products: Bombardier
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: December 18, 2003, 68 FR 70469
- Comments due: January 20, 2004
- Became: [AD 2004-20-03](https://openairdocs.org/ad/2004-20-03)
- Docket: 2002-NM-126-AD
- FR document: 03-31183
- Official PDF: https://openairdocs.org/files/sha256/29/16/2916bf5f7f8d68c4cd7a7f85d1af332f9abde6af001d491f0f7aa9c848608874 (from https://www.govinfo.gov/content/pkg/FR-2003-12-18/pdf/03-31183.pdf)
- Federal Register: https://www.federalregister.gov/documents/2003/12/18/03-31183/airworthiness-directives-bombardier-model-dhc-8-101--102--103--106--201--202--301--311-and--315
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/67BC3F33B33D531D86256E000058DD8A.0001
- Page: https://openairdocs.org/proposed/2002-NM-126-AD

## Summary

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Bombardier Model DHC-8-101, -102, -103, -106, -201, -202, -301, -311, and -315 airplanes. This proposal would require a detailed inspection of the wing leading edge de-icer boots to determine if they comply with the patch size and/or patch number limits in the critical zone as defined in the Aircraft Maintenance Manual; and corrective action, if necessary. This action is necessary to prevent reduced aerodynamic smoothness of the wing leading edge de-icer boots and possible reduced stall margin, which could result in a significant increase in stall speeds, leading to a possible stall prior to activation of the stall warning. This action is intended to address the identified unsafe condition.

## Notices in this docket

- Dec 18, 2003: Notice of proposed rulemaking (NPRM). (first notice), FR document 03-31183, comments due Jan 20, 2004 (https://www.federalregister.gov/documents/2003/12/18/03-31183/airworthiness-directives-bombardier-model-dhc-8-101--102--103--106--201--202--301--311-and--315)

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