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Busan Line 4 tire replacement status.
| Year | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | Sum | |
|---|---|---|---|---|---|---|---|---|---|
| Abnormal Wear Replacement | Crack, Uneven wear [ea] |
66 | 90 | 93 | 98 | 67 | 42 | 40 | 496 (48.0%) |
| Tire Damage [ea] | 1 | 1 | 0 | 1 | 9 | 14 | 12 | 38 (3.7%) |
|
| Subtotal [ea] | 67 | 91 | 93 | 99 | 76 | 56 | 52 | 534 (51.6%) |
|
| Maintenance Replacement [ea] |
47 | 79 | 42 | 55 | 129 | 70 | 78 | 500 (48.4%) |
|
| Sum [ea] | 114 | 170 | 135 | 154 | 205 | 126 | 130 | 1034 | |
