As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THROUGH APPROX 20,000 AN ACRID ODOR BECAME EVIDENT IN THE COCKPIT. ODOR DISSIPATED WHEN PACKS SECURED ON LANDING. REMOVED AND REPLACED LEFT AND RIGHT CONDENSOR BAG & LEAK CHECKED GOOD. CHECKED ALL PNUEMATICS DUCTS LEAKAGE, NO LEAKS.