As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT # 1245 ISP -PBI. " @ ABOUT 4000 INFLIGHT REPORTED A STRONG SMELL RESEMBLEING ELECTRIC BURN FROM THE MIDDLE OF THE CABIN FORWARD SEVERAL PAX ALSO COMPLAINED.; C / W INFO NOTICE 2017-T015M IDENTIFIED ODOR AS TYPE 9 ELECTRIAL TRANSIENT COULD NOT DUPUCATE ODOR AS PRECAUTIONARY DEACTIVATED IFE LTV AND INSEAT POWER REF LP 4654337 ITEM 1 & 2."