OEM Service Bulletins (SB) and authority Airworthiness Directives (AD) mandate modifications or inspections on in-service aircraft. Kronos Engineering supports their operational deployment — from reading the document to final execution, through tooling procurement, team training and documentation.
SB implementation — Airworthiness Directives — Retrofit
SB / AD
Retrofit
Technical support — SB / AD Retrofit
Operational implementation of Service Bulletins and Airworthiness Directives on your aircraft. Planning, tooling sourcing, intervention, validation and full traceability.
Our approach
Our approach
Typical missions
Typical missions
SB/AD fleet-planning impact study
Feasibility analysis, cost and schedule estimation, integrated planning within the maintenance cycle.
Specific tooling procurement
Sourcing of dedicated tooling (sometimes OEM-only), short-term rental.
Team training on deployment
On-the-job training on the SB/AD procedure, technical refreshers, competency validation.
Execution and documentation
On-site intervention, CoC signing, full traceability for the authority.
Frequently asked questions
Frequently asked questions
Do you work on critical SBs or terminating actions?+
Yes. Our teams are qualified on the most complex SBs (structure, special processes). For terminating actions (mandatory), we support planning and execution to avoid any authority-deadline overrun.
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