# Proposed AD FAA-2012-1226: Bombardier, Inc. Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2014-03-04
- Products: Bombardier
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: December 13, 2012, 77 FR 74126
- Comments due: January 28, 2013
- Became: [AD 2014-03-04](https://openairdocs.org/ad/2014-03-04)
- Docket: FAA-2012-1226 (https://www.regulations.gov/docket/FAA-2012-1226, where comments are filed)
- Project: 2012-NM-122-AD
- FR document: 2012-30071
- Official PDF: https://openairdocs.org/files/sha256/04/d0/04d0cb24f9580498a153a1face41587b7ba8a2dc1f5881b632420d47d6e2c760 (from https://www.govinfo.gov/content/pkg/FR-2012-12-13/pdf/2012-30071.pdf)
- Federal Register: https://www.federalregister.gov/documents/2012/12/13/2012-30071/airworthiness-directives-bombardier-inc-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B8BE0B246E37846C86257AD3004C7A24.0001
- Page: https://openairdocs.org/proposed/FAA-2012-1226

## Summary

We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400 series airplanes. This proposed AD was prompted by a report of a translating door handle jamming during opening of an aft door. This proposed AD would require replacing the handle shaft with a new single-piece machined handle shaft on the aft entry and service doors, and require revising the maintenance program by incorporating a new airworthiness limitation task. We are proposing this AD to prevent a migrated pin from jamming a translating door handle, which could prevent opening of the door and impede an emergency evacuation.

## Notices in this docket

- Dec 13, 2012: Notice of proposed rulemaking (NPRM). (first notice), FR document 2012-30071, comments due Jan 28, 2013 (https://www.federalregister.gov/documents/2012/12/13/2012-30071/airworthiness-directives-bombardier-inc-airplanes)

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