As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG SMELL SIMILAR TO LIGHTED MATCHES THROUGHOUT CABIN AND COCKPIT. OCCURED DURING DESCENT AND THEN SLOWLY DISSIPATED. FOUND ECS/MSG AFT EQ EXH FAN 2 MSG AND C/B POPPED. REMOVED AND REPLACED AFT EQ EXH NO 2, RESET C/B, RAN PAX, NO SMELL NOTED.