United Airlines MileagePlus Report: Challenge

From British Airways Executive Club Gold
To United Airlines MileagePlus Premier Platinum

First I got the "Based on our investigation of the submitted documentation, we have determined there may be fraudulent or suspicious aspects of the credentials you provided and your request has been declined." response. After submitting a screenshot of my BAEC account the challenge was granted.
Premier Silver
Premier Gold
Premier Platinum
Premier 1K
From: Guest on September 23, 2018