As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6495 - MDT-IAD - DURING DESCENT, AIRCRAFT MADE AN SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS SMOKE IN CABIN WITH BOTH PACKS OFF. CREW DEPRESSURIZED AIRCRAFT. AIRCRFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RT ENGINE COMPRESSOR SEAL, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)