* Scott cards 66 despite quadruple bogey * Garcia shoots 67 to move joint top * Halfway leader Fowler plunges with 74 (Adds detail, quotes) Feb 27 (Reuters) - Adam Scott survived a nightmare 15th hole to move one step closer to a 12th PGA Tour victory as he ended the third round of the Honda Classic in a tie for the lead with Sergio Garcia at Palm Beach Gardens in Florida on Saturday. Three strokes off the pace overnight, Scott surged three ahead with a barrage of birdies on the challenging PGA National layout until he ran up a quadruple-bogey seven after twice finding water, first from the tee at the par-three hole and then from the drop zone. "I was trying to get a ball dry for a start and eventually did on my fifth (shot)," the former world number one told Golf Channel about his struggles at the par-three 15th. More...