FlyerTalk Evangelist, Ambassador, British Airways Executive Club
Join Date: Jun 2008
Location: Somewhere between 0 and 13,000 metres high
Programs: AF/KL Life Plat, BA GGL+GfL, ALL Plat, Hilton Diam, Marriott Gold, blablablah, etc
Posts: 30,538
If deciding to go the MCOL route, I would echo cws's suspicion and first ask for a full history of PNR note changes. If BA added the note about your supposedly being asked about the card days after the event, this would likely play in your favour.