The same applies to A340 as well. May be dispatched minus ONE winglet only!
eg. A340-600 (increased growth weight 380 tons)
Taken from CDL 6.01.57 page 2:
Max take-off reduced from 380 000 kg's to 342 900kgs,
take-off limiting weight is reduced by 12010 kgs
Approach climb performance limiting weight reduced by 18860 kg
one engine in operative ceiling is reduced by 260 ft
fuel consumption is increased by 1.04%