| русский | rus-000 |
| внеплановое техническое обслуживание | |
| English | eng-000 | CM |
| English | eng-000 | UM |
| English | eng-000 | corrective maintenance |
| English | eng-000 | occasional maintenance |
| English | eng-000 | off-schedule maintenance |
| English | eng-000 | unscheduled maintenance |
| English | eng-000 | unscheduled servicing |