What was found
FLT#577, FLL-SFO. 'FLT ATTENTS REPORTED DIRTY SOCK ODOR RIGHT AFTER T/O LEVEL 1 ODOR THAT LASTED 3 MINUTE; PER TSM TASK 05-50-00-810-831-A & AMM 71-00-00 RAN #1 ENGINE FOR 5 MINUTES DURATION AND ALTERNATED PACK 1 & 2 FOR DETERMINATION OF ODOR IAW INFORMATION NOTICE 2017-T015J, THE FOREGONE PROCEDURE WERE REPEATED WITH NO ODOR PRESENT AND ALL CABIN DOOR CLOSED, A/C ACCEPTABLE FOR CONTINUE REVENUE SERVICE.'