Analysis of Damage to The Hitachi Zaxis 330 Excavator Machine using The FMEA Method (Case Study : PT. Koperasi Pertambangan Bara Sumber Makmur). JATRI [Internet]. 2026 Sep. 25 [cited 2026 Oct. 1];4(2):27-32. Available from: https://e-journals2.unmul.ac.id/index.php/jatri/article/view/4934