August 5, 2014, is the deadline for Airworthiness Directive (AD) 2013-13-09.
The FAA issued this AD requiring up to four different Service Bulletins (SB) be installed, depending on aircraft serial number. The following are the SBs and a brief explanation of each.
You need to check the affectivity of each of these SBs to verify which ones may still need to be complied with. Some of these SBs may have been complied with previously.
As per any Terminating Action on an AD, revision levels have to be verified for compliance.
*Trademarks of Bombardier Inc. or its subsidiaries
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