As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL IMBALANCE DURING CLIMBOUT. COMPLIED WITH QRH, MAX IMBALANCE LT WING 2000LBS. RT ENGINE SHUTDOWN. (ACFT RETURNED TO DEPARTURE AFTER T/O -- EMERGENCY DECLARED) FOUND COUPLING IN RT COLLECTET TANK FOR THE LT FUEL/DEFUEL VALVE BOSS DISCONNECTED. INSTALLED COUPLING IAW AMM 28-25-09-400-801. OPS AND LEAK CHECK GOOD.