[en] Automatic translation: 1969 was the second year of operation for the AVR reactor. Despite a planned 6-week general inspection in the spring 1969 and a 3 week shutdown of the plant in In the summer of 1969 it was possible to increase the annual availability of 51.4% (1968) to 71.7% (1969) (see Figure 1). The course of the year of operation and the peculiarities that occurred essentially emerge from Figure 2. In 1969 there were 22 business interruptions. Of the 7 shutdown breaks (A to G) with a total of 3 months The duration was 5 shutdowns for inspection and repair work necessary during 2 switch-off pauses (E and F) for dynamic tests and physical measurements were used.