The error in the alert file


Corrupt block relative dba: 0x0ea1af4e (file 58, block 2207566)
Bad header found during buffer read
Data in bad block -
type: 0 format: 0 rdba: 0x00000000
last change scn: 0x0000.00000000 seq: 0x1e flg: 0x64
consistency value in tail: 0x99120606
check value in block header: 0x0, computed block checksum: 0x6e3a
spare1: 0x0, spare2: 0x0, spare3: 0x19a
***
Reread of rdba: 0x0ea1af4e (file 58, block 2207566) found same corrupted data
***
Corrupt block relative dba: 0x0ea1af4e (file 58, block 2207566)
Bad header found during buffer read
Data in bad block -
type: 0 format: 0 rdba: 0x00000000
last change scn: 0x0000.00000000 seq: 0x1e flg: 0x64
consistency value in tail: 0x99120606
check value in block header: 0x0, computed block checksum: 0x6e3a
spare1: 0x0, spare2: 0x0, spare3: 0x19a
***

The tablespace

Nome
da Tablespace FILE_ID FILE_NAME
------------------------------ ---------- ----------------------------------------
RTX_DATA 58 /datafiles/pnxtl_02/dat/rtx_data_07.dbf


How to correct?????