Try the following options:
1) Restore a recent backup prior to the time when corruption occurred and roll forward the After Image extents.
2) Try to repair the current database after truncating the Before Image with the -F parameter.
Select the following options:
It is important to highlight that forcing the database is a last resource procedure as indicate in the article: 000020275 Consequences of using the -F startup option
After this proceed to use DBRPR as follows:
proutil <db name> -C DBRPR
Select option 1: Database Scan Menu
ON 1. Report Bad Blocks
ON 3. Reformat Bad Blocks
ON 4. Report Bad Records
ON 5. Delete Bad Records
ON 7. Rebuild Free Chain
ON 8. Rebuild RM Chain
ON A: Apply scan to all areas <---- V9 and later
Rebuild all indexes using:
Scan Backward (Yes/No)? n
proutil <db name> -B <# of buffers> -C idxbuild all -TB 24 -TM 32
Beginning in 10.2B06 some additional parameters to improve the IDXBUILD speed has been added 000021635, How to run idxbuild the fastest way?