AD 2005-26-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | DHC-8-400 | Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes |
Unsafe Condition
Laminated shims were delaminated and extruded from the interface between the forward attaching fittings of the horizontal stabilizer and the top rib of the vertical stabilizer, and inadequate torque values of some bolts were found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the laminated shims for cracks, damage, or extrusion; perform a torque check of the attachment bolts in the attachment fittings of the front, middle, and rear spars; and take corrective actions if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless the actions have already been done.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier Model DHC-8-400 series airplanes, certificated in any category; serial numbers 4001, and 4003 through 4081 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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