As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 2185 - DURING CLIMB THE CREW REPORTED THAT ENGINE 1 WAS SURGING ON TAKEOFF AND LOST 5% ON N1. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND RE-SECURED THE TRIM RESISTOR IN THE ENGINE 1 -A- HARNESS, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.