1.Allocating all components and inspection for damages performed according PARTS LIST 355M Horizontal Stabilizer 2.Preparation of internal surfaces of Horizontal Stabilizer assembly for application of chemical conversion coating and epoxy primer performed 3.Application of chemical conversion coating (wash primer) on Horizontal Stabilizer assembly internal structure for corrosion prevention purpose performed. 4.Application of epoxy primer on Horizontal Stabilizer assembly internal structure for corrosion prevention purpose performed.