# Proposed AD FAA-2018-0548: De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Withdrawn
- Products: De Havilland Aircraft of Canada
- Product type: Aircraft
- Action: Proposed rule; withdrawal.
- Published: May 4, 2020, 85 FR 26374
- Comments due: May 3, 2020
- Docket: FAA-2018-0548 (https://www.regulations.gov/docket/FAA-2018-0548, where comments are filed)
- FR document: 2020-09113
- Official PDF: https://openairdocs.org/files/sha256/6f/80/6f8060f4a30fe7dfdef062cdf8e7bbd396f65e12c91eca21c02537c01f4bbedc (from https://www.govinfo.gov/content/pkg/FR-2020-05-04/pdf/2020-09113.pdf)
- Federal Register: https://www.federalregister.gov/documents/2020/05/04/2020-09113/airworthiness-directives-de-havilland-aircraft-of-canada-limited-type-certificate-previously-held-by
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DCF109837673DA408625855E0047BA94.0001
- Page: https://openairdocs.org/proposed/FAA-2018-0548

## Summary

The FAA is withdrawing a notice of proposed rulemaking (NPRM) that published in the Federal Register on June 22, 2018, regarding an unsafe condition with certain Bombardier, Inc. Model DHC-8-400 series airplanes. Since issuance of the NPRM, the FAA determined that additional actions are necessary to address the unsafe condition and that the applicability should be expanded to include additional airplane serial numbers. Accordingly, the NPRM is withdrawn.

DATES: As of May 4, 2020, the proposed rule, which was published in the Federal Register on June 22, 2018 (83 FR 29059), is withdrawn.

## Notices in this docket

- Jun 22, 2018: Notice of proposed rulemaking (NPRM). (first notice), FR document 2018-13335, comments due Aug 6, 2018 (https://www.federalregister.gov/documents/2018/06/22/2018-13335/airworthiness-directives-bombardier-inc-airplanes)
- May 4, 2020: Proposed rule; withdrawal., FR document 2020-09113, comments due May 3, 2020 (https://www.federalregister.gov/documents/2020/05/04/2020-09113/airworthiness-directives-de-havilland-aircraft-of-canada-limited-type-certificate-previously-held-by)

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