Valerie, How did you update the size of MAINT 123? Using GET/REPLACE or using DMDISK/AMDISK? If you used the latter, then maybe you forgot to use KEEPLINKS operand of DMDISK. Without that, a LINK to MAINT 123 in DIRMAINT's (and any other) directory entry would be deleted when you delete MAINT 123.
Ivica Brodaric