As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED A "RT REV ISLN VAL" ON TAKEOFF ROLL AT 80 KTS. REJECTED TAKEOFF. DURING TROUBLESHOOTING IAW MTSI 78-30/2705 PARA A. FOUND WORN BEARING AT END OF DIRECTION CONTROL VALVE ROD ASSEMBLY AND CAM IAW AMM 76-11-00-5 FIG 501 SHEET 1 AND SHEET 2. CAUSING GAP CLEARANCE TO BE WELL OUT OF TOLERANCE. REMOVED AND REPLACED DIRECTIONAL CONTROL VALVE CONTROL ROD. RIGGED AND ADJUSTED IAW AMM 76-11-00-5. OPS CHECKED G0OD. OPS TESTED RIGHT THRUST REVERSER IAW MM 78-30-00-5-4. TEST PASSED.