BOMBARDIER
BOMBARDIER DHC-8-400, -401 and -402 airplanes [Docket No. FAA-2010-0382; Directorate Identifier 2009-NM-211-AD] — This proposed rule would require operators to modify the Power Transfer Unit (PTU) control logic in accordance with the instructions of Bombardier Service Bulletin 84-29-22, Rev. A...
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