As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CABIN FILLED WITH FUMES WHILE CLIMBING THROUGH FL 250. THE CABIN PACK WAS SECURED AND THE FUMES DISSIPATED. R & R CABIN TURBO COMPRESSOR IAW MM 21-51-00. REPLACED CABIN AND COCKPIT COALESCER SOCKS IAW MM 12-10-01. OPS AND LEAK CHECKED GOOD.