What a can of worms, I mean in a flash, ash and trash, rehash, no cash, bash maybe crash.
Off the thread slightly but have on numerious occasions flown in and out of some hectic sand storms/dust filled air space in west and north africa and yes there was (eventually) evidence of pitting etc. on LE, nacelles and fan blades-nobody seemed to worry too much!
Guess we living in changing times where it's easier to say no, than well lets take a good look and just maybe....