As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FUEL BALANCING ISSUE SHORTLY AFTER LEVEL OFF BALANCING FUEL, FUEL KEPT GOING OUT OF BALANCE MULTIPLE TIME DURING FLIGHT. TROUBLESHOOTING PER FIM 28-41-00-810-807 FOR FAULT CODE 28-41208. CONFIRMED FAULTY NUMBER 2 TANK COMPENSATOR. REMOVED AND REPLACED RIGHT HAND COMPENSATOR. PER 737 AMM 28-41-21.