As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE FLT, CABIN CREW REPORTED A RUBBER/ELECTRIC ODOR AROUND ROW 18. THE VIDEO ENTERTAINMENT SYS TURNED OFF. ODOR SUBSIDED, BUT CAME BACK BRIEFLY. ODOR SUBSIDED AGAIN & REMAINED THAT WAY FOR THE REST OF THE FLIGHT. MX COULD NOT DUPLICATE THE ODOR. PLACED THE VIDEO ENTERTAINMENT SYSTEM ON MEL.