MTTR/MTBR Evaluation
Use
You can execute an evaluation for equipments and functional locations with regard to the key figures Mean Time to Repair (MTTR) and Mean Time between Repair (MTBR). This is useful if, for example, statistical updating of information structure S070, which contains these key figures, has been switched off for performance reasons. You can also update information structure S070 within this evaluation.
The key figure values are read directly from the notification database. In this way it is possible to obtain detailed information on a breakdown for each period, for example, the notification number or the start/end of the malfunction.
In addition, the key figures "number of breakdowns reported'" and "total downtime" are displayed; these cannot be evaluated using the standard breakdown statistics analysis (information structure S070). In the standard analyses, the "number of actual breakdowns" is displayed, which is for example not the same as the "number of breakdowns reported" where two breakdowns overlap (see also ).
You can also branch to the corresponding notification in a further step within the evaluation.
Procedure
If you want to carry out an evaluation for pieces of equipment or functional locations, proceed as follows:
This takes you to a selection screen.
For each technical object entered in the selection screen per period in the breakdown, you obtain the following data:
Furthermore, the sum of the key figure values over the periods is displayed.
Using this list as a starting point, you can perform the following functions:
To do this, place the cursor on the desired period of the technical object and select Choose.
You obtain a list with the notification number for the breakdown, date and time of the malfunction start/end, and the downtime.
The second part of the list comprises a monthly statistic for the following key figures:
Select the Disp.notification pushbutton to branch to the notification.