[QUOTE=bdemaria;This was clearly not the PAX fault. Even if the pax had "flipped him off" (which he didn't)- are we really safe w/a copilot who can't shrug off a disgruntled retiree in order to do instrument check?

Do I write AA? If so, what department - general customer service?[/QUOTE]

Wouldn't the Chief Pilot for the airport that the flight crew is based out of be the best person to contact? This is clearly not a customer service issue, this is pilot performance. (meaning the FO)