As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPLACE THE CROSSFEED VALVE AND SHAFT DUE TO FUEL IMBALANCE DURING FLIGHT. GROUNDED - YES. REMOVED AND REPLACED ENGINE FUEL CROSSFEED VALVE REF AMM 28-22-21-400-805. INSPECTED CROSSFEED VALVE SHAFT AND FOUND NO DEFECTS. INSTALLED ADAPTER PLATE REF AMM 28-22-21-400-805 STEPS 9. A THROUGH 9. (G) (9) PG 10. REQ OPS & FUNCTIONAL TEST. OPS AND FUNCTIONAL TEST OF CROSSFEED VALVE GOOD REF AMM 28-22-21-710-801.