Airworthiness Directive · Amendment 39-15775 · Fuel
Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes
This AD applies to Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, certificated in any category, as specified in paragraphs (c)(1) and (c)(2) of this AD.
(1) Airplanes having serial numbers 7003 through 7067 and 7069 through 7939 that have not had the modification of the refuel/defuel shutoff valves incorporated according to the original issue of Bombardier Service Bulletin 601R-28-053, dated July 12, 2004; and,
(2) Airplanes having serial numbers 7989, 7990, and 8000 through 8034.
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 5,000 flight hours after the effective date of this AD, modify the refuel/defuel system in the center wing fuel tank in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 601R-28-053, Revision D, dated August 20, 2008.
(2) Modifying the refuel/defuel system is also acceptable for compliance with the requirements of paragraph (f)(1) of this AD if done before the effective date of this AD in accordance with one of the following service bulletins: Bombardier Service Bulletin 601R-28-053, Revision A, dated April 21, 2005; Revision B, dated September 15, 2005; or Revision C, dated March 14, 2006.
Note 1: 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.
