THE FARE COMPONENT MUST INCLUDE TRAVEL VIA TRANSATLANTIC
SECTORS ON
ONE OR MORE OF THE FOLLOWING
ANY AC FLIGHT OPERATED BY AC
ANY AC FLIGHT OPERATED BY LH
ANY AC FLIGHT OPERATED BY UA
ANY AC FLIGHT OPERATED BY LX
ANY AC FLIGHT OPERATED BY OS
ANY AC FLIGHT OPERATED BY SN.
Your TATL return on a LH flight operated by UA does not meet this rule