AD 2005-11-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | DHC-8-400 | Airworthiness Directives; Bombardier Model DHC-8-400, -401, and -402 Series Airplanes |
Unsafe Condition
Loose flap front spar attachment fittings at flap track Number 4 and Number 5 locations, which could become detached and lead to loss of control of the airplane.
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Required Actions
Perform repetitive inspections of the front spar attachment fittings at flap track Number 4 and Number 5 locations to detect discrepancies. Repair any discrepancies found before further flight. Replace the attachment fittings as the terminating action within 4,000 flight hours after the effective date.
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Compliance Time
Within 400 flight hours after the effective date for initial inspections, and at intervals not exceeding 800 flight hours for subsequent inspections. Replace the fittings within 4,000 flight hours after the effective date.
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Affected Aircraft
Bombardier Model DHC-8-400, -401, and -402 series airplanes, serial numbers 4001 and 4003 through 4093 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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