The NAND flash has physical wear. Without replacing the chip, you are on borrowed time. Use the drive only for non-critical temporary files. Run a full surface scan every month.
: Specifically designed for FC1178 (3D, BC) and FC1179 (S, AB) series chips. firstchip fc1178 fc1179 mptools v1052 repack
Do download the first v1052 repack you see on a generic "driver download" website. These often contain keyloggers. The NAND flash has physical wear