AD 2008-23-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) Airplanes |
Unsafe Condition
De-icing fluid ingress into the cockpit can enter between the windshields and side windows, leading to possible damage to electrical components and wires as it contacts cockpit floodlight electrical connections, resulting in possible arcing and fire.
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Required Actions
Perform a leak test in accordance with Bombardier Alert Service Bulletin A670BA-56-002, Revision A. If leakage is detected, apply sealant between the windshields and side windows and perform related investigative and corrective actions. If no leakage is detected, apply sealant and perform related actions within 6 months or 2,000 flight hours, whichever comes first.
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Compliance Time
Within 450 flight hours after the effective date of this AD for the leak test. If leakage is detected, prior to further flight for sealant application and related actions. If no leakage is detected, within 6 months or 2,000 flight hours for sealant application and related actions.
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Affected Aircraft
Bombardier Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), serial numbers 10003 through 10216; and Model CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900), serial numbers 15001 through 15040.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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