The -CIR29SA fare requires South America
From the fare rules
Code:
FOR -CIR29SA FARES
TRAVEL MUST ORIGINATE IN OR INCLUDE SOUTH AMERICA.
TRAVEL MUST BE VIA THE NORTH/CENTRAL PACIFIC IN
ONE DIRECTION AND VIA CHILE/ARGENTINA TO/FROM
THE SOUTH WEST PACIFIC PACIFIC USING THE SERVICES
OF QF/LA IN THE OTHER DIRECTION.