Airworthiness Directive · Amendment 39-16271 · Flight controls
Bombardier, Inc., Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) Airplanes
This AD applies to the Bombardier, Inc., 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 having serial numbers 10003 through 10259 inclusive.
(2) Model CL-600-2D15 (Regional Jet Series 705) and Model CL-600-2D24 (Regional Jet Series 900) airplanes having serial numbers 15001 through 15099 inclusive.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Unless already done, do the following actions.
(1) Within 6,000 flight hours after the effective date of this AD, install a new PCU centering mechanism, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 670BA-27-042, Revision C, dated December 10, 2009.
(2) Incorporation of Bombardier Service Bulletin 670BA-27-042, dated October 14, 2008; or Revision A, dated January 8, 2009; before the effective date of this AD, is considered acceptable for compliance with this AD only if Bombardier Repair Engineering Order (REO) 670-27-31-001, dated January 12, 2009; or Bombardier Service Non-Incorporated Engineering Order (SNIEO) S01 or S02 from Bombardier Kit Drawing KBA670-93702, Revision C, dated January 28, 2009; is incorporated at the same time. Incorporation of Bombardier Service Bulletin 670BA-27-042, Revision B, dated June 2, 2009, before the effective date of this AD, is considered acceptable for compliance with the corresponding actions in this AD.
Note 1: This AD differs from the MCAI and/or service information as follows: No differences.
