Airworthiness directives › 2019-15-01
AD 2019-15-01 Airworthiness Directives; Bombardier, Inc., Airplanes
Applicability*9
This AD applies to all Bombardier, Inc., Model CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For airplane serial numbers (S/Ns) 5301 through 5665 inclusive, 5701 through 5988 inclusive, and 6050 through 6091 inclusive, equipped with any MLG side stay actuator assembly containing split ball bearing part number (P/N) 104467672: For the left and right MLG side stay actuator assemblies having P/Ns 19011-103 and 19011-105, at the applicable time specified in figure 1 to paragraphs (g) and (h) of this AD, perform an inspection to verify the serial number, in accordance with paragraphs 2.A. and 2.B. of the Accomplishment Instructions of the applicable service information specified in figure 2 to paragraphs (g), (h), and (i) of this AD. ER15AU19.003 ER15AU19.004
Unsafe condition
This AD was prompted by a report that main landing gear (MLG) side stay actuators have been assembled using nonconforming split ball bearings. The FAA is issuing this AD to address the affected bearings, which could potentially result in asymmetric MLG gear extension or retraction, and subsequent gear collapse during landing.
Affected ADs
None.
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