1. A method of processing record data for enabling localization of a network fault associated with a service, said method comprising the steps of: obtaining information related to a service related network fault event (step 402 ), determining a focus target record, based on the information related to the service related network fault event (step 404 ), obtaining record data set comprising at least one key type, related to a database, based on the focus target record (step 410 ), selecting at least one peripheral database and determining a key table comprising at least one key type, based on the obtained record data set (step 412 ), obtaining matched record data based on the key table, from the selected at least one peripheral database (step 416 ), merging matched record data with the obtained record data set (step 418 ), such that a data record information set comprising the matched database records and the determined at least one record set, is obtained.