The holder of GBS L-3 certificate are qualified to perform service and repair work on various types of WTG blades in accordance with:
Global Blade Service Standard
Service instructions from OEM.
The holder has knowledge to:
Define common root causes for defects, damages' and wear and tear.
Understand and use information for service from: Service Work Instructions, Technical Data Sheet, Production drawings
And have competences to:
Carry out repair according to OEM service and repair work instructions
Repair on fiberglass and carbon fibre laminate with polyester or epoxy matrix
External and internal repair of single skin laminate or sandwich construction, including replacement of relevant core materials
Repair on blade structure for various types of blades including shell laminate and core all positions, structural shell laminate, spar and web laminate and bonding of blade structure
Reconstruct lightning protection system
Relevant processes in terms of bonding, hand layup, vacuum consolidation, infusion and prepreg for repair under field conditions
Document and report service and repair work carried out on site