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Airworthiness Directive 2019-28072

one-time
AD 2019-28072 · 2019-12-30 · airframe

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

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for certain De Havilland Aircraft of Canada Limited Model DHC-8-401 and - 402 airplanes. This AD was prompted by a report that certain fuselages were delivered with nonconforming keel tension fittings and stringer end fittings. This AD requires a detailed visual inspection of stringer end fittings and keel fittings for loose or working fasteners, signs of wear, and corrosion, and repair if necessary; and a general visual inspection of the keel tension fitting and stringer end fittings, as applicable, and repairs and replacement of the keel and stringer end fittings if necessary. The FAA is issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2019-28072 applies to

MakesDe Havilland Aircraft Of Canada
ModelsDHC-8-401, DHC-8-402, DHC-8
Serial-conditional — narrows to serials 4327–4327, 4330–4330, 4337–4337, 4342–4342, 4350–4350, 4352–4352, 4362–4362, 4367–4367, 4372–4372, 4375–4375, 4376–4376, 4378–4378, 4383–4383, 4384–4384, 4385–4385, 4388–4388, 4391–4391, 4392–4392, 4396–4396, 4397–4397.

Type certificate previously held by Bombardier, Inc.

Whether AD 2019-28072 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 2019-28072 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.