damaged USB?

[WarheadsSE]

USB Device wont mount or get detected. Here's the output from dmesg... it doesn't sound encouraging :\
$this->bbcode_second_pass_code('', '
sd 4:0:0:0: Device offlined - not ready after error recovery
sd 4:0:0:0: [sda] Unhandled error code
sd 4:0:0:0: [sda] Result: hostbyte=0x05 driverbyte=0x00
end_request: I/O error, dev sda, sector 7408458
sd 4:0:0:0: rejecting I/O to offline device
sd 4:0:0:0: [sda] Unhandled error code
sd 4:0:0:0: [sda] Result: hostbyte=0x01 driverbyte=0x00
end_request: I/O error, dev sda, sector 7408698
JBD: Failed to read block at offset 8033
JBD: recovery failed
EXT3-fs: error loading journal.
usb 1-1.4: USB disconnect, address 20
usb 1-1.4: new high speed USB device using orion-ehci and address 21
usb 1-1.4: device descriptor read/64, error -110
usb 1-1.4: device descriptor read/64, error -110
usb 1-1.4: new high speed USB device using orion-ehci and address 22
usb 1-1.4: device descriptor read/64, error -110
usb 1-1.4: device descriptor read/64, error -110
usb 1-1.4: new high speed USB device using orion-ehci and address 23
usb 1-1.4: device descriptor read/8, error -110
usb 1-1.4: device descriptor read/8, error -110
usb 1-1.4: new high speed USB device using orion-ehci and address 24
usb 1-1.4: device descriptor read/8, error -110
')
not exactly sure what this means... any thoughts?