Some delays could be critical for school's accreditation process.
Carol Ann Alaimo
Scott Stewart served on board since 1999.
Accreditor rejects plans. School plans appeal.
Students learned in May their money to attend school was frozen.
Accreditor planning visit in September. Sanctions could be lifted.
The two regents have ties to UA, Tucson.
Panel will conduct national search to replace Ann Weaver Hart.
Other University of Arizona executives say there's no way to explain downturn in giving.
Replaces former dean who is facing criminal charges.