AD 2008-19-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | DHC-8-400 | Airworthiness Directives; Bombardier Model DHC-8-400, DHC-8-401, and DHC-8-402 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier Model DHC-8-400, DHC-8-401, and DHC-8-402 Airplanes |
Unsafe Condition
In the event of a spoiler fuselage cable disconnect, only the ROLL SPLR INBD HYD caution light will be illuminated until the aircraft speed decreases below 165 kts, at which time the ROLL SPLR OUTBD HYD caution light will also be illuminated. This could result in increased pilot workload during approach and landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the spoiler cable disconnect sensing circuit by incorporating Modsum 4-110066 or 4-126356, depending on the aircraft serial number, in accordance with the specified Bombardier Service Bulletins. Installations of Modsum 4-126356 completed before the effective date of this AD according to earlier service bulletins are considered acceptable.
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Compliance Time
Within 6,000 flight hours after the effective date of this AD.
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Affected Aircraft
Bombardier Model DHC-8-400, DHC-8-401, and DHC-8-402 airplanes, serial numbers 4003, 4004, 4006, and 4008 through 4129, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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