In the early days, IIRC, there was an altitude restriction above a certain weight if the LAF was u/s. After several years, this was rescinded.
As planeboy_777 says, Spoilers 4 & 5, plus the aileron, are used on both sides. There are one or two (sorry, memories fade) hydraulic accumulators on each wing, to provide proximate fluid rapidly.
The LAF accumulators, with their direct-reading gauges, are partly visible when the flaps are extended (through the slot). Like all accumulators, they have an air (nitrogen) precharge. This used to be monitored by a low-pressure switch. This would provoke an ECAM warning "F/CTL LAF ACCU FAULT" when the hydraulic pressure had dissipated after engine shutdown. This warning would typically disappear within a minute or two, by which time the cold-soaked accumulator had warmed up a bit. If so, it could be topped up on the next long turnround or night-stop at base.
Enjoy!
Last edited by Chris Scott; 2nd Feb 2013 at 16:51.