What was found
AIR QUALITY EVENT , REPORTED BY FA, IN FWD CABN , DURING DEC. WAS NOT NOTIFIED UNTIL AFTER LANDING NO TIME TO TROUBLE SHOOT. -PERFORMED TSM 05-50-00-810-831-A . OPERATED PACK # 1 & PACK # 2 WITH ENGINE 1 & 2 AT IDLE NO ODOR PRESENT. NO ODOR DETECTED. COULD NOT DUPLICATE. AIRCRAFT GOOD FOR SERCVICE.