Common Inspection Terms

In the aircraft engine and industrial, some useful terms that are used to describe inspection characteristics, criteria, and defect. It is very important the inspection personel to become familiar with these inspection terms in order to interpret the technical manuals properly. Without the knowledge of these terms, inspector will be unable to perform verification activities as required by the OEM technical manuals. Common Inspection Terms are shown in the table 2.1a(Abrasion, Arc burn, Back to back imperfection, Bend, Blending, Blistering), 2.1b(Bottomed impression, Braze crack, Braze fillet, Braze porosity, Braze ripping, Braze void), 2.1c(Break, Brinelling, Brittle, Buckle, Bulge, Burn marks), 2.1d(Burn, Burn Out, burning, Burnish, Burnishing, Burr), 2.1e(Burst, Chain Porosity, Chafing, Chatter Marks, Clearly separated, Cluster, Cold Shut) , 2.1f(Chipping or chip, Corrosion, Surface Corrosion, Dissimilar metal corrosion, Stress corrosion, Fretting corrosion) , 2.1g(Crack, Crater, Crazing, Creep, Deformation, Delimitation, Dent, Deviation, Depressed Imperfection) , 2.1h(Discontinuity, Distortion, Draw mark, Dross, Electrolytic action, Erosion, Excess braze, Fatigue, Fatigue crack) , 2.1i(Fatigue failure, Flaking, Flowing, Foreign material, Forging marks, Fusion line, Fusion zone, Galling, Glazing)