As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 365 - EN ROUTE SJU-ORD - DETECTED ELECTRICAL SMOKE IN CABIN AND COCKPIT. ACCOMPLISHED FIRE/SMOKE CHECKLIST AND LANDED ORD WITHOUT FURTHER INCIDENT. PERFORMED OPERATIONAL CHECKS RECIRCULATION FANS. ACCOMPLISHED PACK BURN OUT PER MM. NO SMELL OR SMOKE NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)