The necessary work of maintenance, repair, and replacement of the common areas and facilities and the making of any additions or improvements thereto shall be carried out only as provided herein and in the bylaws. The association of unit owners shall have the irrevocable right, to be exercised by the manager or board of directors, or other managing body as provided in the bylaws, to have access to each unit from time to time during reasonable hours as may be necessary for the maintenance, repair or replacement of any of the common areas and facilities therein or accessible therefrom, or for making emergency repairs therein necessary to prevent damage to the common areas and facilities or to another unit or units.
N.C. Gen. Stat. § 47A-9