# Proposed AD FAA-2012-0638: Empresa Brasileira de Aeronautica S.A. (EMBRAER) Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2012-19-06
- Products: Embraer - Empresa Brasileira de Aeronautica
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: June 18, 2012, 77 FR 36224
- Comments due: August 2, 2012
- Became: [AD 2012-19-06](https://openairdocs.org/ad/2012-19-06)
- Docket: FAA-2012-0638 (https://www.regulations.gov/docket/FAA-2012-0638, where comments are filed)
- Project: 2011-NM-266-AD
- FR document: 2012-14808
- Official PDF: https://openairdocs.org/files/sha256/25/91/259159a5c5e303b2894d1dc960f5a4e18787fe165af5781a0c9f380bd4d09c2e (from https://www.govinfo.gov/content/pkg/FR-2012-06-18/pdf/2012-14808.pdf)
- Federal Register: https://www.federalregister.gov/documents/2012/06/18/2012-14808/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DA8F7513174E905D86257A2100547702.0001
- Page: https://openairdocs.org/proposed/FAA-2012-0638

## Summary

We propose to adopt a new airworthiness directive (AD) for all Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 airplanes, and Model EMB-145, -145ER, -145MR, -145LR, -145MP, and - 145EP airplanes. This proposed AD was prompted by a report of a lightning strike hitting an airplane tail boom causing certain rear bulkhead parts to jam an elevator control rod. This proposed AD would require installing or reworking, as applicable, metallic diverters and aluminum sheets; modifying the lights assembly on the tail boom rear movable fairing; and replacing the hood assembly with a new hood assembly and rerouting its electrical harness. We are proposing this AD to prevent lightning strikes from causing certain parts to contact the airplane pitch control system, which could reduce airplane controllability.

## Notices in this docket

- Jun 18, 2012: Notice of proposed rulemaking (NPRM). (first notice), FR document 2012-14808, comments due Aug 2, 2012 (https://www.federalregister.gov/documents/2012/06/18/2012-14808/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-airplanes)

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