doubt in PM module....

hi experts,

my doubt is related to PM module...In transaction IP02 for a maintenance plan with strategy some cycle and units are appearing...these are getting stored in trans. table T351P...in this table there appears to be more cycles/unit than those appearing in transaction IP02....can anybody tell me what exactly is the problem or is there something I am missing??

Quick replies will be greatly appericiated...

Regards,

Shaheen