Manfred J. HampeEnkhzayaBilegsaikhan Sainbileg2025-10-052022https://gmitlibrary.net/handle/123456789/77Maintenance accounts for the largest portion of mining’s controllable operating cost. In this thesis, a methodology to define prioritized remedial actions for failures using FMEA, as rootcause analysis, is proposed, covering 4 main phases: Problem area identification, Downtime priority determination, Candidate equipment selection, Determination, and analysis (FMEA) of failure modes for selected equipment. The data used in the thesis was real-time data of Monnis Mining LLC, one of the Mongolian coal mining companies.enThesis