As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN THRUST LEVERS WERE BEING ADVANCED FOR T/O NR 3 ENG THRUST REVERSER LIGHT ILLUMINATED. REJECTED T/O AT ABOUT 20 KTS. PERFORMED RTO CHECKLIST AND ABNORMAL PROCEDURE. NORMAL OPERATION RESTORED. ADJUSTED NR 3 THRUST REV OPERATING LIGHT SWITCH IAW B727 MM 78-30-91. OPS CHECK GOOD THROUGH SEVERAL CYCLES DURING NR 3 ENG RUN REF: JRH 5.2