EASA SIB 2023-06
Rupture of the Restraint System Buckle Cover
Summary
EASA Safety Information Bulletin 2023-06 is an airworthiness bulletin addressing the rupture of restraint system buckle covers on Airbus Helicopters AS 350 B2, AS 350 B3, AS 355 NP, and EC 130 T2 equipped with -198 series crew seats or -284 series passenger seats. The bulletin highlights reported occurrences of belt buckle ruptures manufactured by Anjou Aéronautique and provides safety recommendations to operators. It references Airbus Helicopters Safety Information Notice 3279-S-25 Revision 2 and SAFRAN SEATS Service Bulletin 198-25-009 Revision 1 for further guidance.
What Changed
This bulletin updates the awareness of the rupture issue beyond the batch of parts identified in EASA Airworthiness Directive 2018-0195, noting new occurrences involving other parts. It recommends operators follow SAFRAN SEATS Service Bulletin 198-25-009 Revision 1 and maintain restraint systems per Anjou Aéronautique maintenance manuals. The bulletin does not introduce new mandatory requirements or Airworthiness Directive actions.
Why It Matters
The rupture of restraint system buckles can delay evacuation during emergency landings, posing a safety risk to crew and passengers. Aviation professionals must be aware of this issue to ensure proper maintenance and timely replacement of affected parts. Compliance teams and MROs benefit from clear guidance to mitigate risks without mandatory regulatory action.
What To Do
Operators of affected Airbus Helicopters should maintain the Anjou Aéronautique torso restraint systems according to the Component Maintenance Manuals and consider implementing SAFRAN SEATS Service Bulletin 198-25-009 Revision 1. There is no mandatory compliance deadline, but proactive maintenance is recommended to reduce safety risks. Operators should monitor for updates and maintain communication with EASA and manufacturers.