Spirit Aero Systems (Europe)
Approval No. SPIRIT/0161
4a Chromic Anodising
4c Sulphuric Anodising
4r Chromate Conversion (Alocrom)
4t Paint Spraying and Stoving
4u Phosphating
5o De-embrittlement (ferrous alloys)
8v Metallurgical and Chemical Testing
12o Passivation
18f Final Inspection & Release