Originally Posted by malcolmkettering

I am AAdvantage Platinum/OW Sapphire. Looking at a booking through Finnair.com, USA->France->USA. TATL portion is a AY code/BA metal via LHR, return is AY code/AA metal via PHL. AY fare class is "Light", however as OW Sapphire, I hope I would still be eligible to choose seats and check 1 bag, as if it were AY metal. Thus here is my question:
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