As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PACKS PRODUCED A VERY STRONG ODOR AFTER TAKEOFF. SMELLED LIKE A DIRTY WET DOG. ACCOMPLISHED JOB CARD 08L00021001 SMOKE ODOR FUMES INITIAL TROUBLESHOOTING FOUND TRIM AIR VALVE TO BE SOURCE OF ODOR. REMOVED AND REPLACED TRIM AIR PRESSURE REGULATING / SHUTOFF VALVE IN ACCORDANCE WITH AMM 21-62-01. OPERATION AND LEAK CHECKS GOOD. AIRCRAFT IS OK FOR SERVICE.