As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRIM WHEEL MAKES LOUD GRINDING NOISE. MAINTENANCE REPORTED TRIM VERY DIFFICULT TO OPERATE. STABILIZER TRIM CONTROL SHAFT BEARING WAS DISINTEGRATED RESULTING IN DAMAGE TO SHAFT, SPACER AND RT TRIM WHEEL. REPAIRED BY REPLACING SHAFT AND TRIM WHEEL, AND ACCOMPLISHING BOEING SB 737-27-1204.