I'll look in to it. If it decrypted your key properly then check your MyDocs/FAS/keys/ directory for the txt file and open it. If it correct here but not displaying in fAircrack then its a bug that needs to be fixed.
01:24:42 Waiting for beacon frame (BSSID: my bssid) on channel 6 Saving ARP requests in replay_arp-0127-012442.cap You should also start airodump-ng to capture replies. Notice: got a deauth/disassoc packet. Is the source MAC associated ? Notice: got a deauth/disassoc packet. Is the source MAC associated ?