AD 2017-17-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
Failures of the landing gear alternate-extension system (AES) could prevent the landing gear from extending in the case of a failure of the primary landing gear extension system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the nose landing gear (NLG) and main landing gear (MLG) electro-mechanical actuators (EMAs) having part numbers BA698-85006-1 and BA698-85007-1 with P/Ns BA698-85006-3 and BA698-85007-3, as applicable, in accordance with Bombardier Service Bulletin 670BA-32-047, Revision A.
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Compliance Time
Within 1,200 flight hours or 12 months after the effective date of this AD, whichever occurs first.
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Affected Aircraft
Bombardier, Inc., Model CL-600-2E25 (Regional Jet Series 1000) airplanes, certificated in any category, serial numbers 19001 through 19039 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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