What was found
AFT F/A REPORTED A DIRTY SOCK ODOR WHEN GEAR WAS EXTENDED ON APPROACH. NOT SMELLED BY OTHER CREW, F/A LOCATION WAS AFT JUMPSEAT. ITEM WAS PLACED ON GMM 2017-TO15B. THE AIRCRAFT WAS OK TO CONTINUE IN SERVICE IAW TSI 2017-TO1513. ACCOMPLISHED TSM 05-50-00-810-831-A. ODOR WAS SMELLED AFTER ENGINE SHUTDOWN. PERFORMED ECS PACK BURNOUT IN CONJUNCTION WITH INFORMATION NOTICE 2017-T025B. NO ABNORMAL SMELLS NOTED. ACFT OK FOR CONTINUED SERVICE.