3 Phase TSD SCR is an Android application designed for the specific purpose of troubleshooting Indian Railway’s Three Phase Locomotives, including variants like WAP5, WAP7, WAG9, and WAG9H. This user-friendly app targets Loco Pilots and Maintenance staff of Indian Railways, offering comprehensive troubleshooting guidelines for Three phase locomotives.

The app features quick troubleshooting methods and detailed troubleshooting processes, supported by hyperlinks to numerous photographs of different equipment and technical instructions where necessary. With multi-color Locomotive circuits for both Electrical and Pneumatic systems, safety instructions, and technical procedures, this app provides easy access to each Loco trouble through a search option based on relevant alphabet or fault number.