AD 2018-09-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
loose or missing fasteners and collars on the upper and lower engine pylon structure common to the upper and lower pylon skin panels and engine thrust fitting, which could result in structural failure of the engine pylons.
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Required Actions
inspect the engine pylon rib and skin fasteners for protruding, loose or missing fasteners and rectify any discrepancies noted in accordance with a Repair Engineering Order (REO); replace all affected fasteners with interference fit fasteners, including applicable related investigative and corrective actions, as terminating action for the mandated inspection requirement.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Bombardier, Inc., Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes; Model CL-600-2D15 (Regional Jet Series 705) airplanes; Model CL-600-2D24 (Regional Jet Series 900) airplanes; and Model CL-600-2E25 (Regional Jet Series 1000) airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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