Quote:
| if we had reset the FCMC one at a time would it have helped? |
Absolutely yes.
Quote:
| and you reset the FCMC in flight? |
It is allowed from the QRH, so why not ?
Quote:
| how much would the extra fuel burn be flying an acft not at the optimum CG? |
You should find the value in yor company MEL. Search for the xftr sys inop and you'll see limitation(s), if any, and fuel consumption penalization.
Ciao