2664 fire external unable to reset. ~~~~~ 2664 fire external unable to reset.  2664 found FC 723. Found firewire shorted between No.1 end to No. 2 end. Waiting for spare. OPS 20 raised to follow-up.  Chan GF 43896 To follow up.  2664 firewire replaced & function test - OK.  Chan GF/Alan/Alcus 43897