As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STAB TRIM STUCK AT T/O TRIM SETTING DISCONNECTED AND RECONNECTED STAB TRIM AND THEN GOT NOSE UP RUNAWAY AT POINT 1 FOR EACH 5 SECONDS, RAN QRH. ENDED UP AT 10 DEGREES NOSE UP. EN ROUTE TO ATL, A/C DIVERTED TO SAV DUE TO MTC. FLT 5469 DEL 189 MINS. FOUND INTERMITTENT CONTACTS ON PILOTS PITCH TRIM SWITCH. REMOVED AND REPLACED PILOTS PITCH TRIM SWITCH IAW AMM 27-41-05-000-801 AND OPS CHECK GOOD IAW 27-40-00-710-802. RTS FOR CAT II OPERATIONS COMPLIED WITH IAW AMM SUPP 22-11-00-710-801.