# Proposed AD FAA-2006-26354: Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 Airplanes and Model EMB-145, -145ER, -145MR, - 145LR, -145XR, -145MP, and -145EP Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2007-12-17
- Products: Embraer
- Product type: Aircraft
- Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.
- Published: March 30, 2007, 72 FR 15075
- Comments due: April 24, 2007
- Became: [AD 2007-12-17](https://openairdocs.org/ad/2007-12-17)
- Docket: FAA-2006-26354 (https://www.regulations.gov/docket/FAA-2006-26354, where comments are filed)
- Project: 2006-NM-196-AD
- FR document: E7-5911
- Official PDF: https://openairdocs.org/files/sha256/29/36/29362c05059b7f48f5a3cba0a01c9b60fe222bb43a6126dd948087bb05bdf429 (from https://www.govinfo.gov/content/pkg/FR-2007-03-30/pdf/E7-5911.pdf)
- Federal Register: https://www.federalregister.gov/documents/2007/03/30/E7-5911/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-135-airplanes-and
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/004CFE89FC4817F5862572AE004EBE70.0001
- Page: https://openairdocs.org/proposed/FAA-2006-26354

## Summary

The FAA is revising an earlier NPRM for certain EMBRAER Model EMB-135 airplanes and Model EMB-145, -145ER, -145MR, -145LR, -145XR, - 145MP, and -145EP airplanes. The original NPRM would have required replacing the metallic tubes enclosing the vent and pilot valve wires in the left- and right-hand wing fuel tanks with non-conductive hoses. The original NPRM resulted from fuel system reviews conducted by the manufacturer. This action revises the original NPRM by adding airplanes to the applicability. We are proposing this supplemental NPRM to prevent an ignition source inside the fuel tank that could ignite fuel vapor and cause a fuel tank explosion and loss of the airplane.

## Notices in this docket

- Nov 20, 2006: Notice of proposed rulemaking (NPRM). (first notice), FR document E6-19540, comments due Dec 20, 2006 (https://www.federalregister.gov/documents/2006/11/20/E6-19540/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-135-airplanes-and)
- Mar 30, 2007: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period., FR document E7-5911, comments due Apr 24, 2007 (https://www.federalregister.gov/documents/2007/03/30/E7-5911/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-135-airplanes-and)

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