As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 660, PHL-BOS. ON TAKE OFF FROM PHL HAD ODOR OF "DIRTY SOCKS". MODERATE INTENSITY TRANSIENT ODOR CLEARED WITHIN APPROX 5 MINUTES ODOR DETECTED IN FLIGHT DECK SOURCE WAS AIR VENTS; COMPLIED WITH INFORMATION NOTICE 2017-T015C SECTION A DETERMINED TO BE A LEVEL 1 ODOR EVENT A/C OK FOR SERVICE AT THIS TIME TSM 21-20-00-810-810-A.