What was found
ON DESCENT, AFTER LEVEL OFF AND ENGINE SPOOL UP WE BRIEFLY SMELLED A CHEMICAL OR WET PAINT TYPE SMELL. NO SMELL WAS NOTICED IN CABIN. PERFORMED TSM 05-50-00-810-23-A (TYPE 5) INSPECTED PACK NR 1 FOR CONTAMINATION, IAW AMM 21-51-00. FOUND NO EVIDENCE OF CONTAMINATIION. RAN BOTH ENGINE, IAW AMM 71-00-00 TO DUPLICATED FAULT. NO ODOR DETECTED. FOUND CAUSE/SOURCE OF THE SMELL TO BE (TYPE 10) MISCELLANEOUS.