Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.1030 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)
Can a UL reservation be pulled up on FinnAir's "manage your booking" page as a BA reservation can? If so, that would be a relatively painless way to add a BAEC number close to departure date.