RegNotify

EASA Regulations for Bell Helicopter Textron Canada 407

2 airworthiness directives and regulations affecting Bell Helicopter Textron Canada 407.

EASA AD CF-2016-13R1

Main Rotor Drive — Loss of Lubrication to the Freewheel Assembly

The Canadian Airworthiness Directive CF-2016-13R1 titled 'Main Rotor Drive — Loss of Lubrication to the Freewheel Assembly' applies to Bell Helicopter Textron Canada Limited models 206A, 206B, 206L series, and 407 helicopters. It addresses the risk of main rotor mast failure caused by blocked oil restrictors in the freewheel lubrication circuit, which can lead to loss of helicopter control. The directive mandates inspections, cleaning, and possible replacement of components to ensure proper lubrication flow.

Sep 13, 2019
Airworthiness DirectiveMaintenanceSafety MgmtBell 206Bell 407Bell Helicopter Textron Canada 206ABell Helicopter Textron Canada 206BBell Helicopter Textron Canada 206L seriesBell Helicopter Textron Canada 407

EASA SIB 2007-24

WITHDRAWN: SEE TRANSPORT CANADA AD CF-2007-14, -15 and -16; and ENAC ITALY AD 2007-324

EASA Safety Information Notice No. 2007-24 is a safety information notice addressing tail rotor driveshaft (Thomas Couplings) disc assemblies on Bell Helicopter Textron Canada Model 206 Series, 206L Series, 230, 407, 427, and 430 helicopters, as well as Agusta Model AB206 A/B series helicopters. The notice references Transport Canada Airworthiness Directives CF-2007-14, CF-2007-15, CF-2007-16, and ENAC Italy Emergency AD 2007-324, which identify issues with disc assemblies manufactured between November 1, 2005, and November 30, 2006. These discs may have improper thickness or incorrect indexing, posing a safety risk.

Sep 17, 2007
Safety Information BulletinMaintenanceSafety MgmtBell Helicopter Textron Canada 206 SeriesBell Helicopter Textron Canada 206L SeriesBell Helicopter Textron Canada 230Bell Helicopter Textron Canada 407Bell Helicopter Textron Canada 427Bell Helicopter Textron Canada 430Agusta AB206 A/B series