AD 2019-16-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
Failure of an elevator PCU bracket or fracture of the front spar into two segments; either structural failure may cause a jam in one elevator or a loss of airplane pitch control if both elevators are affected.
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Required Actions
Inspect for cracks and damage of the elevator PCU brackets and surrounding area, horizontal stabilizer rear spar, and elevator front spar, and related investigative and corrective actions if necessary. Replace cracked elevator PCU brackets with new brackets with improved strength. Repair cracked horizontal stabilizer rear spar and elevator front spar according to instructions from Bombardier.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier, Inc., Model DHC-8-400 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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