Having the same problem as everyone else in this thread for 280 Tier Points on a RT first class mielage run SAN to EWR. The upload claim page for missing miles on Alaska is not working! And no reply from BAMissingAvios PM on Flyertalk. Called Exectuive Club and nice agent said he was entering claim manually and all he needed was flights and ticket number. We will see. In case not, since I don't have copies of electronic boarding passes, Alaska issued me an email attesting that I flew the itinery for me to give to BA.