As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT DURING DESCENT THROUGH 13,000 FT COM PROCEDURE FOLLOWED. APPLIED AMM 21-00-00-615-001-A DECONTAMINATION OF THE ECS. R&R NR 1 ENG & NR 2 ENG DEOILER SEAL IAW AMM 72-60-31-000-010/400-010 LEAK CHECK GOOD. COMPLETED DECONTAMINATION OF THE ECS IAW AMM 21-00-00-615-001-A NO FURTHER FUMES NOTED.