A motorcycle passenger was injured Monday afternoon when the motorcycle she was riding on slipped on road debris. According to the California Highway Patrol, Randy Kirkpatrick, and Francine Serpa, both of San Andreas, were riding Kirkpatrick’s Harley Davidson on Silver Drive. Kirkpatrick prepared to make a left turn into the STP gas station when his back tire hit some road debris and the bike slid out, spilling both riders onto the roadway. Serpa suffered a compound fracture to her ankle and was medi-flighted to San Juan Medical Center. Kirkpatrick was uninjured.