INES-event
INES 2

METALLURGICAL FLAW IN SECONDARY STEAM PIPE

A metallurgical flaw (11 cm long, 3 cm deep) was discovered during checks carried out on one of the secondary circuit pipes feeding the turbine generator.
See additional text next page.
BASIS FOR RATING: Potential consequences on the safety of the installation (third barrier fault).
DIFFICULTIES IN RATING: This classification may be reassessed following the results of expertise. table A1 - inadequate - possible.

Location: FESSENHEIM-1
Event date: Fri, 13-09-1991
Nuclear event report
Legenda & explanation