Existing optical drive would take in the disc, try to read it, then spit it back out. Would not boot from optical.
Removed old Optical drive and replaced with the optical from ifixit.com. Tested and it works as it should. Delivered very quick. Thanks for the quality of service and product!
The model MacBook Pro I changed the drive from was very easy to work with. Minimal cable and parts removal. Having the proper tools also helped.