This is the controller ID. It tells the software which instruction set to use.
Alcor Micro is a massive manufacturer of USB bridge controllers. Their chips are found in everything from high-end Transcend drives to unbranded "freebie" sticks. alcor micro unknown fa00 - f w 3613
Download a tool called or Flash Drive Information Extractor . Plug in your USB drive. This is the controller ID
You cannot use a standard Windows format tool for an FA00 error. You need the Alcor Micro Production Tool. Their chips are found in everything from high-end
The NAND flash chip is wearing out. You can try setting the "Scan Level" to a deeper cycle in the AlcorMP settings to "wall off" the dead sectors.
This is the primary reason people seek F/W 3613 tools. The MPTool is the only way to reset the "read-only" flag triggered by the controller's safety firmware.