Originally Posted by
Dr. HFH
Nah, I don't think so. So in 50 years of flying this has never happened to me, yet you describe it as a normal occurrence? I expect that the more likely explanation would be a one-off, and might include things like an inadvertent chemical/fluid/fuel spill on one of the wings, pilot noticed something when doing his/her walk-around, etc.
I've seen it happen in Phoenix a time or two. Except no deicing equipment so flights were delayed until the ice melted.