If you're looking at someone's feedback, there's a "Contact Member" button. I assume you have to be a registered user. I didn't try that link.
I tried twice last night to send a message using "Contact Member". Both times it was blocked by eBay (even after entering the "verification code"). Yet when I tried again just now, it went through. Here's what I wrote:
"Congratulations on the purchase of a beautifully restored Cessna 150. However, the eBay ad didn't mention that the plane was caught in a hailstorm during Sun'n'Fun this year, suffered extensive dime-sized hail damage to all the upper surfaces, and was totaled by the insurance company.
I suggest you have an independent mechanic check out the plane before you complete the sale. You can get more details from the original owner who is still a member of the Cessna 150-152 Club (www.cessna150-152.com [cessna150-152.com])
- Kirk"