ORA-01578: ORACLE data block corrupted

Hi,

In system log we found database error, how to repair the corrupted data block in ORACLE.

Database error 1578 at SEL access to table BDCPS

> ORA-01578: ORACLE data block corrupted (file # 10, block #

> 253395)#ORA-01110: data file 10:

> '/oracle/JID/sapdata2/sr3_7/sr3.data7'

SQL> SELECT tablespace_name, segment_type, owner, segment_name FROM dba_extents WHERE file_id = 10 and 253395 between block_id AND block_id + blocks - 1;

TABLESPACE_NAME                SEGMENT_TYPE       OWNER

------------------------------ ------------------ ------------------------------

SEGMENT_NAME

--------------------------------------------------------------------------------

PSAPSR3                        TABLE              SAPSR3

BDCPS

Now what activity i have to do..