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All Journal Journal of Industial Engineering and Technology
Marfinta, Taranipa
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Decision Sciences, Operations Research & Management Industrial & Manufacturing Engineering

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Identifikasi Kerusakan Unit Sterilizer dengan Metode Failure Mode and Effect Analysis (FMEA) dan Fault Tree Analysis (FTA) Larasati, Adelia; Fitri, Li Idi'il; Mirnandaulia, Meutia; Marfinta, Taranipa
Journal of Industrial Engineering and Technology Vol. 6 No. 1 (2025): Desember 2025
Publisher : Universitas Muria Kudus

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Abstract

The sterilizer unit at PT ABC experienced various damages during the palm oil processing process. This study aims to analyze potential risks and determine priority improvements that need to be done using the Failure Mode and Effect Analysis (FMEA) and Fault Tree Analysis (FTA) methods. There are five risks in the sterilizer unit at PT ABC based on the FMEA analysis. Risks with high criticality are leaking inlet steam piping with an RPN score of 210. Risks with medium criticality are broken and worn door packing and worn sterilizer door bearings with RPN scores of 175 and 150. Risks with low criticality are leaking blowdown pipes with an RPN score of 56. Furthermore, the FTA analysis found that the three main root causes of leaking inlet steam piping are incorrect installation of packing on flange joints due to mismatched sizes or bolt tightening, low welding strength due to inaccurate mechanics, and late replacement of materials due to components that have reached their service life. Therefore, the recommended corrective actions are proper and scheduled replacement of flange packing, as well as training for mechanics on correct welding and bolt installation procedures.
Co-Authors Fitri, Li Idi'il Larasati, Adelia Mirnandaulia, Meutia