Won't play a blue ray disc

As time goes by, problems started to arise. Some people find that their PS3 started to have a problem playing Blu-ray discs. There are a lot of factors that could cause the Blu-ray playback issues on PS3.

You can check this article for detailed solutions to problem of PS3 Won't Play Blu-ray

There are some reasons for this kind of situation:
1. Encryption key needs to be renewed.
2. The Blu-ray disc is region locked.
3. The Blu-ray laser is burnt out and needs replacement

For each possible cause, you can check on this tutorial for detailed solution:
What to Do When PS3 Won't Play Blu-ray

Try ripping your Blu-ray disc to MP4 and transfer the MP4 video to your flash drive and play it with your PS3. Here's how you can rip your Blu-ray movie: How to Rip and Convert Blu ray to MP4 with Blu ray to MP4 Converter

The blueray eye is out. You will need a new blueray player. The only problem with that is the ps3 will only respond with the orginal parts it came with. ( i.e. motherboard blueray player ) So the best bet is to buy a broken blueray player and take the eye out and replace it with yours just the eye not the whole thing.