Airworthiness directives › 2021-22-24
AD 2021-22-24 Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
Applicability*9
This AD applies to MHI RJ Aviation ULC airplanes identified in paragraphs (c)(1) through (3) of this AD, certificated in any category. (1) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) and CL-600-2C11 (Regional Jet Series 550) airplanes, serial numbers 10002 and subsequent. (2) Model CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900) airplanes, serial numbers 15001 and subsequent. (3) Model CL-600-2E25 (Regional Jet Series 1000) airplanes, serial numbers 19001 and subsequent.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 180 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the airworthiness limitations for structural inspections and safe life components specified in paragraphs (g)(1) and (2) of this AD. (1) The task number, model effectivity, threshold, repeat cut-in, repeat, and task type for the Section 2 structural inspections specified in paragraph 2.B.(2)(a) of the Accomplishment Instructions of MHI RJ Service Bulletin 670BA-05-001, dated August 27, 2020. (2) The task number, part number, model effectivity, and discard time for the Section 3 safe life components specified in paragraph 2.B.(3)(a) of the Accomplishment Instructions of MHI RJ Service Bulletin 670BA-05-001, dated August 27, 2020.
Unsafe condition
This AD was prompted by a determination that new or more restrictive airworthiness limitations for structural inspections and safe life components are necessary. The FAA is issuing this AD to address reduced structural integrity and reduced controllability of the airplane.
Affected ADs
None.
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