AD 2004-16-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | DHC-8-400 | Airworthiness Directives; Bombardier Model DHC-8-400, -401, and -402 Airplanes |
Unsafe Condition
Failure of the ground spoilers to deploy on the ground, which could result in overrunning the end of the runway in the event of a rejected takeoff.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time inspection of the spoiler lift dump valves on the inboard and outboard spoilers to determine the serial number. Replace any spoiler lift dump valve with a serial number from 5164 through 5264 inclusive or 5267 through 5279 inclusive, unless the AFM revision is accomplished to defer replacement.
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Compliance Time
Within 45 days after the effective date of this AD.
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Affected Aircraft
Bombardier Model DHC-8-400, -401, and -402 airplanes; serial numbers 4005, 4006, 4008 through 4015 inclusive, and 4018 through 4052 inclusive; certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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