The 25-year-old, who caused a sensation when she won the LPGA tournament in Los Angeles last week, went around in under par with three bogeys, two birdies and an eagle on hole eight.
After a tough start to the tournament, Lindblad has climbed 32 places and is now in a tie for 46th place.
She shares the placing, among others, with Maja Stark, who went around in one stroke over par in the second round. Further down the results list are Anna Nordqvist, Pernilla Lindberg and Frida Kinhult on +2 total. Madelene Sagström, Linn Grant and Linnea Ström appear to be missing the cut, with a total of +3.
All the Swedish players had finished when the tournament was interrupted due to darkness.
The leader is Chinese player Yan Liu on minus 7.
