As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE SETTING STABILIZER, CIRCUIT BREAKER FOR PRIMARY TRIM TRIPPED. WHILE INVESTIGATING ISSUE, FOUND STABILIZER TRIM RELAY AND WIRING TO RELAY SHOWED SIGNS OF OVERHEATING. REPLACED UP TRIM RELAY R20-16 AND RE-TERMINATED ALL WIRES GOING TO R20-16 DUE TO OVERHEAT DAMAGE. PRIMARY TRIM, OPS CHECK GOOD IAW DC9 MM CHAPTER 27.