Power made a flying start with five birdies in his opening six holes, before three bogeys threatened to undo his progress.
Séamus Power has booked his place in the weekend at the Bank of Utah Championship after carding a six-under-par 66 in his second round.
The Waterford golfer moved to six-under overall, producing eight birdies during an eventful round to get himself onto the cut line.
Power made a flying start with five birdies in his opening six holes, before three bogeys threatened to undo his progress.
He recovered with three further birdies, including one at his final hole.
American Austin Smotherman leads the tournament on 17-under, one shot ahead of Kevin Roy.

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