JSC "UEC-Klimov" performs:

Overhaul of the TV3-117 (ТВ3-117) engines of all modifications including assigning of the total service life of 7,500 hours/cycles
Overhaul with upgrading of the TV3-117 (ТВ3-117) engines of all modifications to the TV3-117VM, VMA, VM series 02, VMA series 02 (ТВ3-117ВМ, ВМА, ВМ серия 02, ВМА серия 02)
Overhaul of the TV3-117 (ТВ3-117), VK-2500 (ВК-2500) engines of any complexity after operation at off-design modes in accordance with an individual repair and technical documentation
Investigations, recovering works, upgrade of the BARK-78 (БАРК-78), SNK-78 (СНК-78) units
Reconditioning repair of the TV3-117/VK-2500 (ТВ3-117/ВК-2500) engines at operator`s facilities
Only JSC "UEC-Klimov" has the legitimate right to perform:

Overhaul of the VK-2500 (ВК-2500) engines
Upgrading of the TV3-117 (ТВ3-117) engines to the VK-2500 (ВК-2500) during overhaul
Reconditioning repair of the TV3-117 (ТВ3-117) engines in operation for civil aircraft
Reconditioning repair of the VK-2500 (ВК-2500) engines