As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB OUT WITH AUTOPILOT ENGAGED STAB OUT OF TRIM LIGHT ILLUMINATED. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT DFW. PERFORMED FIM 22-12-00-810-803. SPEED TRIM DFCS TEST DOES NOT MOVE STAB TRIM, FAILS WITH STAB TRIM CLUTCH FAULT. REMOVED AND REPLACED STAB TRIM MOTOR. PER AMM 27-41-71. ALL REQUIRED TESTS PASS.