JAL doesn't have standardized configurations by airplane type. Here are half a dozen possibilities (with thanks to the host who scanned those in):
- domestic 777-200
'772'
- domestic 777-200
'7J2'
- domestic 777-300
'773/7J3'
- intl 777-200ER
'W32'
- intl 777-200ER
'W50'
- intl 777-300ER
'W71'