*Case 1.A [#o6a4ad23] *Case 1.D [#o6a4ad23] **The causes of fatigue [#de532921] > Welding defects were included at the time of fabrication. **Approaches to repairing and retrofitting [#tec77207] > Removal of crack. Re-weld + post weld surface treatments. > **LINK [#dbd6eda9] -[[Section L-2C]] > Grind out and Hole saw -[[Gulf Outlet Br.]] > Crack removal