As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH AT ABOUT 2,000' A STRONG TURPENTINE SMELL WAS IN THE FLIGHT DECK AND CABIN. SHUTTING OFF PACK ONE MADE SMELL STRONGER. SMELL DISAPATED ON ENGINE SHUTDOWN.-ACCOMPLISHED TSM 05-50-00-810-831-A PROCEDURES. PACKS WERE CAUSED OF THE ODOR. PERFORMED DECONTAMINATION OF THE ACS IAW 21-00-00 & 44-00-00 NO DEFECTS NOTED A/C OK FOR SERVICE.