What was found
FLT 3553 - LGA - SMOKE IN CABIN DURING CRUISE. INSPECTED AND FOUND BLOWN DUCT. SYSTEM DEFERRED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 3553 - LGA - SMOKE IN CABIN DURING CRUISE. INSPECTED AND FOUND BLOWN DUCT. SYSTEM DEFERRED.