As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING FROM FL 380 TO FL 410 AT 18,600 LBS AND 180 KTS WHEN WE RAN OUT OF FWD NOSE DOWN TRIM. REPLACED ELECTRIC TRIM MOTOR FOR TROUBLESHOOTING PURPOSES AND FOR POSSIBLE COLD SOAK OF OLD TRIM MOTOR CAUSING OVER TORQUE CONDITION. OPS. CHECKED OKAY. LOWERING TRIM CABLE TENSIONS NOT REQUIRED. CHECKED ELEVATOR TRIM MOTOR AND ELEVATOR TRIM CABLE TENSIONS, THEY FALL WITHIN SPECS AT THIS TIME. CHECKED ELEVATOR TRIM TAB TRAVELS OKAY AT THIS TIME.