As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT SPEED TRIM FAIL LIGHT INTERMITTENTLY ILLUMINATED. CONTROL WHEEL STAB TRIM FUNCTIONED NORMALLY. GROUNDED - YES. ACCOMPLISHED TROUBLESHOOTING FOR SPEED TRIM FAIL LIGHT WITH DFCS BITE PROCEDURE ALL TESTS PASSED REF FIM 22-11 TASK 849.