Airworthiness Directive · Amendment 39-15370 · 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, serial numbers 7003 through 7067 and 7069 through 7924; 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 5,000 flight hours after the effective date of this AD: For airplanes with serial numbers 7003 through 7067 and 7069 through 7797, apply sealant to bolts on the collector fuel tanks according to the Accomplishment Instructions of Bombardier Service Bulletin 601R-28-051, Revision A, dated March 30, 2005.
(2) Within 5,000 flight hours after the effective date of this AD: For airplanes with serial numbers 7003 through 7067 and 7069 through 7924, do a general visual inspection of the left and right transfer ejector pumps for the presence of a fillet seal on the edge of the pumps and sealant on the bolts, according to the Accomplishment Instructions of Bombardier Service Bulletin 601R-28-060, Revision A, dated March 30, 2005.
(3) If during the inspection required by paragraph (f)(2) of this AD any fillet seal is found missing from the edge of the transfer ejector pump or sealant is found missing from any of the bolts, prior to further flight, apply fillet seal and sealant as applicable to the affected areas according to the Accomplishment Instructions of Bombardier Service Bulletin 601R-28-060, Revision A, dated March 30, 2005.
(4) Application of sealant prior to the effective date of this AD according to Bombardier Service Bulletin 601R-28-051, dated May 12, 2003, satisfies the requirements of paragraph (f)(1) of this AD.
(5) Inspection and application of sealant and fillet seal prior to the effective date of this AD according to Bombardier Service Bulletin 601R-28-060, dated January 28, 2004, satisfy the corresponding requirements of paragraphs (f)(2) and (f)(3) 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.
