As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER POWER CONTROL UNIT CONTROL ROD AFT END OUTBOARD SIDE CHAFED, WORN AND KINKED. *S/D* CONTROL ROD REPLACED WITH SERVICEABLE CONTROL ROD. BOEING RELEASED SERVICE LETTER 737-SL-27-098 TO ADDRESS THIS ISSUE BACK IN APRIL 1995. HEAVY MAINTENANCE JOB INSTRUCTION CARDS ARE IN PLACE TO INSPECT RODS FOR SIDE CHAFING, AND DISPOSITION BASED ON FINDINGS.