Airworthiness Directive · Amendment 39-15786 · Fuel
Bombardier Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) and Model CL-600-2D24 (Regional Jet Series 900) Airplanes
This AD applies to Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, serial numbers 10003 through 10169; and Model CL-600-2D24 (Regional Jet Series 900) airplanes, serial numbers 15001 though 15025; certificated in any category.
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 4,500 flight hours after the effective date of this AD, modify the fuel tank climb vent loop pipes by installing shrouding boots according to the Accomplishment Instructions of Bombardier Service Bulletin 670BA-28-011, Revision C, dated June 5, 2008.
(2) Modification of the climb vent pipe prior to the effective date of this AD according to Bombardier Service Bulletin 670BA-28-011, dated November 7, 2005; Revision A, dated January 22, 2007; or Revision B, dated July 4, 2007; is acceptable for compliance with the corresponding requirements of this AD.
Note: This AD differs from the MCAI and/or service information as follows: No differences.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
