As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 506 EN-ROUTE, FLIGHT ATTENDANT SMELLED STRONG DIRTY SOCK SMELL DURING TAKEOFF, THAT CLEARED UP ONCE AIRBORNE. THE FLIGHT CONTINUED & LANDED WITHOUT FURTHER INCIDENT. R & R RECIRCULATION FILTERS IAW AMM 21-21-41. NO ODORS NOTED BY CREWS IN PAST 2 LEGS.