Airworthiness directives › 2012-10-08
AD 2012-10-08 Airworthiness Directives; Bombardier, Inc. Airplanes
Applicability*9
This AD applies to the Bombardier airplanes identified in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category. (1) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) airplanes, serial numbers (S/Ns) 10003 and subsequent. (2) Model CL-600-2D15 (Regional Jet Series 705) airplanes and Model CL-600-2D24 (Regional Jet Series 900) airplanes, S/Ns 15001 and subsequent.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Required actions
This paragraph restates the requirements of paragraph (g) of AD 2011-08-04, Amendment 39-16654 (76 FR 20498, April 13, 2011). For airplanes identified in paragraph (c)(1) of this AD: Within 900 flight hours after May 18, 2011 (the effective date of AD 2011-08-04), inspect the MLG shock strut assemblies to determine whether an MLG shock strut assembly having a P/N 49000-11 through 49000-22 inclusive and a S/N 0001 through 0284 inclusive is installed. A review of airplane maintenance records is acceptable in lieu of this inspection if the part and serial numbers of the MLG shock strut assembly can be conclusively determined from that review.
Unsafe condition
This AD was prompted by reports of loose or detached main landing gear (MLG) torque link apex pin locking plate and the locking plate retainer bolt in the torque link apex joint. We are issuing this AD to detect and correct improper assembly and damage of the MLG torque link apex joint, which could cause heavy vibration during landing, consequent damage to MLG components, and subsequent collapse of the MLG.
Affected ADs
This AD supersedes AD 2011-08-04, Amendment 39-16654 (76 FR 20498, April 13, 2011).
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