EASA AD CF-2018-14
Fuselage - Belly Fairing - Blocked Drainage Holes
Summary
Canadian Airworthiness Directive CF-2018-14 addresses a safety issue on Bombardier Inc. BD-700-1A10 and BD-700-1A11 aircraft models. The directive mandates inspection and removal of sealant blocking drainage holes on the belly fairing forward and middle access panels to ensure proper fluid drainage. This measure is critical to prevent accumulation of flammable fluids or vapors in the belly fairing area.
What Changed
CF-2018-14 introduces a new mandatory requirement to remove sealant obstructing drainage holes on specific Bombardier BD-700 series aircraft belly fairings. This directive requires compliance within a specified timeframe and references applicable Bombardier Service Bulletins for the corrective procedure.
Why It Matters
This directive is important for operators and maintenance organizations to prevent potential safety hazards caused by blocked drainage holes, which could lead to undetected fluid leaks and accumulation of flammable substances. Compliance ensures continued airworthiness and reduces risk of fire or damage related to fluid leakage in the belly fairing area.
What To Do
Operators of Bombardier BD-700-1A10 and BD-700-1A11 aircraft must remove any sealant blocking the drainage holes on the belly fairing forward and middle access panels. This action must be completed within 375 flight hours or 12 months from the effective date of May 15, 2018, following the instructions in the specified Bombardier Service Bulletins or approved revisions.
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