What was found
FLIGHT ATTENDANTS REPORTED MUSTY DRY ODOR WHEN LANDING GEAR CAME DOWN, F/A'S REPORTED THE ODOR DISEAPARED DURING TAXI TO GATE. PERFORMED TSM 05-50-00-810-831 BITE, NO ODORS NOTED. ISOLATE PACKS 1 & 2, ALSO ENGINES 1 & 2, FOUND NO EVIDENCE OF ODORS. ACFT OK FOR SERVICE.