old chicken

I bought a 6 piece family feast and zinger wings sides,i came home a discovered all the zinger wings was black and old,i opened my 6 piece family piece and noticed the wings inside the family feast was also old,this similar incident happened last month where I had to drive back to kfc grassy park because they gave me chicken short,im very unhappy with the service im getting from kfc grassy park,i told the manager about this but she could not make me happy,i am a very good customer of kfc ,i would really like KFC to look into this matter please as I don't want to return to KFC,i got pics of the old zinger wings its literaly black.