What was found
A " BURNINGRUBBER " ODOR WAS REPORTED FROM ROW 15 AND AFT TO THE NEAR OF THE CABIN PACK 2 WAS SECURED. SHORTLY AFTERWARD, THE ODOR WAS REPORTED TO BE COMPLETELY DISSIPATED. -PERFORMED IDENTIFICATION OF CABIN ODER IAW TSM 05-50-00-810-831. COULD NOT DUPLICATED CAUSE OF THE ODORS PERFORMED ENGINE RUN OF # 1 & # 2 IAW AMM 71-00-00. NO EVIDENCE OF CABIN ODORS ISOLATED PACK 1 & PACK 2 IAW AMM 21-61-00. NO ODORS NOTED AT THIS TIME.