Confirmation off the BKK change now on
http://airlineroute.net/2015/05/08/lh-bkk-w15/
Lufthansa starting 25OCT15 is increasing capacity on Frankfurt – Bangkok route, which sees the return of Boeing 747-400 operation, in 3-class configuration (Business, Premium Economy, Economy). This route is currently operated by Airbus A340-300.
LH772 FRA2155 – 1420+1BKK 744 D
LH773 BKK2350 – 0545+1FRA 744 D