Originally Posted by VWTim

Actually had this happen on a recent flight, but with a positive outcome.

Flying AS SJC-SJD. Older lady (70-80's), fully there mentally, but used a wheelchair down the jetway, and boarded with a single walking crutch was seated in an exit row.

As the flight attendant helping with boarding realized she stowed a crutch, she asked the passenger if she was physically able and willing to help and can she pick up a 35# door? Her response was yes. A few minutes later the purser and one of the gate agents came down and spoke to her again and let her know that they were sorry but they'd have to reseat her.

They ended up moving her and her companion to another row and offered them drinks for their troubles. Not always what you want to do, but when it comes to safety, sometimes you have to.