AD NUMBER: 2004-10-03
MANUFACTURER: Bombardier
SUBJECT: Airworthiness Directive 2004-10-03
SUMMARY: This amendment adopts a new airworthiness
directive (AD), applicable to certain Bombardier Model CL-600-2B19
(Regional Jet Series 100 & 440) airplanes, that requires
repetitive inspections for cracking of the upper and lower web of
the engine support beam between fuselage station (FS) 625 and FS
640, and repair if necessary. This AD also provides an optional
terminating action for the repetitive inspections. This action is
necessary to prevent failure of the engine support beam, a
principal structural element, which could result in reduced
structural integrity of the airplane. This action is intended to
address the i