AD 2019-12-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
tolerance stack-up between the balance weight and the hinge arm that can allow the attachment bolts to fret with the hinge arm and result in wear, fracture, and loss of the spring tab balance weight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
inspecting the two balance weights and the two hinge arms on each elevator spring tab, and corrective actions including inspecting the holes in the hinge arm, inspecting the hinge arm for corrosion and chafing, installing bushings and a solid shim, replacing the hinge arm, repairing damage to the hinge arm, and permanently securing the mass balance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Bombardier, Inc., Model DHC-8-102, -103, and -106 airplanes; Model DHC-8-200 series airplanes; and Model DHC-8-300 series airplanes.
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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