AD 2018-20-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
Failure of a screw cap or end cap and loss of the related hydraulic system, which could result in damage to airplane structure and consequent reduced controllability of the airplane.
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Required Actions
Inspecting for the correct serial number of a certain hydraulic system accumulator, and replacing affected hydraulic system accumulators with new or serviceable accumulators. Modifying or replacing certain hydraulic brake system accumulators. Revising the maintenance or inspection program to add life limits for the accumulators.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier, Inc., Model BD-100-1A10 airplanes, with accumulators similar to those installed on the CL-600-2B19, including part numbers 900095-1 (Auxiliary Hydraulic System accumulator), 33-155500 (Inboard Brake accumulator), and 33-147500 (Outboard Brake accumulator).
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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