Nov. 16, during the process stops (shortage of HBM) maintenance section have cleaned (PM) of PLT 402Zs and after the finish, then open the steam distribution and start working (free load), and then wait for the process to start, and after 2 hours (16.30-18.30) has checked again found the scratch of the outer shell, because the pin lock of the return guide dropped out of alignment,
Pin bolt didn't setting to correct position after loose it