Originally Posted by
Chris Scott
Hi Machinbird,
...However, I'm guessing that, in the event the crew detects asymmetry during retraction, there may be a way of freezing the surfaces in their present position. That could explain the extra switches on the overhead panel shown in this photo posted by Kulverstukas...
Yes, it is correct. The flaps retracting is interrupted automatically if the asymmetry exceeds safety limit. I think 15%. After it, the crew can switch it manually for starting automatic resymmetrising procedure.