For what generation the reports in question were in, please run the following SARBCH job:
//XXXXXXXX JOB ...
//SARBCH EXEC PGM=SARBCH,PARM='VIEW_HLQ' <=== MODIFY DB NAME
//STEPLIB DD DISP=SHR,DSN=VIEW.CVDELOAD <=== MODIFY, IF USED
//SYSPRINT DD SYSOUT=*
//REPORT DD SYSOUT=*
//SYSIN DD *
/LIST ID=* GEN=nnnnn
Look at the number of lines shown for the reports, to see if there any unusually large reports in that generation.