AD NUMBER: 2004-05-12R1
MANUFACTURER: Bombardier
SUBJECT: Airworthiness Directive 2004-05-12
R1
SUMMARY: The FAA is revising an existing
airworthiness directive (AD) for certain Bombardier Model
CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. That AD
currently requires repetitive inspections of the left and right
engine throttle control gearboxes for wear, and corrective action
if necessary. This AD limits the applicability of the existing AD,
extends the compliance time for the initial inspection, and
clarifies the reporting requirement. This AD is prompted by
numerous failures of the engine throttle control gearbox, some of
which resulted in an in-flight engine shutdown. We are issuing this
AD to prevent e