Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes

What happened

The FAA proposes to adopt a new airworthiness directive (AD) for certain De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Model DHC-8-401 and DHC-8-402 airplanes. This proposed AD was prompted by a report that instructions for fay, fillet, and rivet dome sealing were omitted for a bracket installed on the inboard surface of the tank rib, which could…

Quoted from FAA design approval and airworthiness documents in the Federal Register, 16 September 2026, under that publisher's own terms. US government work, public domain, 63 of 120 words quoted.

The facts

What happened: Airworthiness directive
When: 16 September 2026
The company: De Havilland Aircraft of Canada, OEM
Market segment: Other
Subject: MRO and aftermarket
Where the entry came from: Found in the public record
First in the record: 4 October 2026

Named in this entry

Every company whose name is printed on this page and that the record holds a page for. It says who is named here, not who works with whom.

De Havilland Aircraft of CanadaOEM
One entry in the record, this one included
Bombardier
3 entries in the record

The second company is named in this entry's own text above.

What else the record holds on De Havilland Aircraft of Canada

This is the only entry naming De Havilland Aircraft of Canada in the current record. The record covers the last thirty days, so an absence is a quiet month and not a judgement.

De Havilland Aircraft of Canada in the record

The source

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Published by: FAA design approval and airworthiness documents in the Federal Register, 16 September 2026
The original: Read the originalfederalregister.gov/…/airworthiness-dire…

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