As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL PILOT REPORTED THE RIGHT RECIRC FAN INOP LIGHT ILLUMINATED WITH ELECTRICAL BURNING ODOR IN COCKPIT AND CABIN. WHEN SWITCH WAS TURNED OFF, ODOR WENT AWAY. WHEN SWITCH WAS RESET AND TURNED ON, ODOR RETURNED. MAINTENANCE REMOVED AND REPLACED THE RIGHT RECIRC FAN IN ASSOCIATION WITH AMM 21-25-01. OPERATIONAL CHECK GOOD PER AMM 21-25-00.