This SSD has a known issue! [https://arstechnica.com/gadgets/2013/10/apple-issues-ssd-firmware-fix-for-toshiba-drives-in-2012-macbook-airs/|Apple issues firmware fix for Toshiba SSDs in 2012 MacBook Airs] & [https://www.thessdreview.com/daily-news/latest-buzz/apple-recalls-mid-2012-macbook-air-ssd-replacement-64gb-128gb-ssd-systems-affected/|Apple Recalls Mid-2012 MacBook Air For SSD Replacement – 64GB and 128GB SSD Systems Affected]
Its a bit on the late side, but its possible you just don't use your system that heavily so it took a bit of time.
Sadly, Apples extended warranty program has ended for your system. Time for a new drive!
* [product|IF188-122]
* [product|IF188-104-3]
The Apple SSD is a bit faster than the OWC drive, but its more expensive.