AD 2019-05-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
A fractured main landing gear (MLG) orifice support tube (OST) can lead to structural damage to the airplane and collapse of the MLG.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the MLG OST, and revise the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive maintenance requirements and airworthiness limitations.
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Compliance Time
Within 50 flight hours or 500 flight cycles, whichever occurs first, after the effective date of this AD, or within 12 months after the date of issuance of the original airworthiness directive, whichever occurs first.
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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, with MLG shock strut assemblies part numbers 49200-9 through 49200-32 with orifice OSTs installed having part numbers 49212-3 or 49212-5.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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