Airworthiness directives › 2018-19-12
AD 2018-19-12 Airworthiness Directives; Bombardier, Inc., Airplanes
Applicability*9
This AD applies to the airplanes identified in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category. (1) Bombardier, Inc., Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, serial numbers 10002 through 10337 inclusive. (2) Bombardier, Inc., Model CL-600-2D15 (Regional Jet Series 705) airplanes and Model CL-600-2D24 (Regional Jet Series 900) airplanes, serial numbers 15001 through 15298 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of paragraph (g) of AD 2015-17-04, with revised service information. Within 9,200 flight hours or 5 years, whichever occurs first, after September 24, 2015 (the effective date of AD 2015-17-04): Replace the left and right fixed control rods and lever assemblies of the elevator control system with newly designed control rods and lever assemblies, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 670BA-27-062, Revision C, dated February 13, 2015; or Part A of the Accomplishment Instructions of Bombardier Service Bulletin 670BA-27-062, Revision E, dated June 8, 2017. After the effective date of this AD, only Part A of the Accomplishment Instructions of Bombardier Service Bulletin 670BA-27-062, Revision E, dated June 8, 2017, may be used.
Unsafe condition
This AD was prompted by reports of a disconnect between the elevator lever and control rod and a report indicating that certain revisions of the service information were missing instructions for proper installation of the key washers having part number BA698-93726-3. We are issuing this AD to prevent a disconnect between the elevator lever and control rod, which could lead to uncommanded elevator movement of the associated control surface, a large difference between the position of the left and the right elevator control surfaces, and consequent reduced controllability of the airplane and degradation of the structural integrity of the horizontal stabilizer.
Affected ADs
This AD replaces AD 2015-17-04, Amendment 39-18237 (80 FR 50556, August 20, 2015) (“AD 2015-17-04”).
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1