As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN THE BLEEDS ARE TURNED ON AFTER TAKEOFF, AN ODOR (LIKE DIRTY GYM SOCKS) COMES OUT AND LAST FOR 6-10 MINUTES, THEN CLEARS UP. MAINTENANCE FOUND WATER DRAIN FILTER COMING OUT OF THE CONDENSER/MIXER PLUGGED. CLEANED FILTER AND REINSTALLED DRAIN LINE. PERFORMED FUNCTIONAL TEST OF THE BLEED AIR SYSTEM, ALL CHECKS GOOD. NO SMELL NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.