Bolt hole crack that may get missed

Bolt hole crack found in track…but not detected by DRT in Running direction…& during T/O Testing . manually it was identified.

Fast speed of DRT or too much gain of normal probe may skip minor crack.

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UTILITY OF 45 DEGREE PROBING

45 degree probe

Photos of SEJ IMR Rail Bolt Hole Crack

IMR defect detected in SEJ SRail CPH NIA UP 66817-19.jpeg

Photos of IMR Weld

Horizontal Cracks – AT Welds

Photo of IMR Stock Rail of Modified SEJ

IMR ST R MOD SEJ PEAK PATTIMR ST R MOD SEJ

Analysis of undetected Kidney Failure using Autocad

Analysis of undetected Kidney Failure using Autocad. Comments are invited pleaseNew Doc 2017-10-03_1New Doc 2017-10-03_2