As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH INTERCEPTING LOC AND GS, ACFT STOPPED AUTO TRIMMING WITH AUTOPILOT ENGAGED. ACFT PITCHED UP. DISCONNECTED THE AUTOPILOT AND AUTOTHROTTLES WHEN STABILIZER OUT TRIM LIGHT ILLUMINATED. TOOK APPROXIMATELY 5 FULL ROTATIONS OF THE TRIM WHEEL TO RE-TRIM THE ACFT. ACFT GROUNDED. IAW FIM TASK 22-11, TASK 801, DFCS BITE TEST, NO FAULTS FOUND. PERFORMED STABILIZER TRIM MOTOR TEST, IAW AMM 22-11-81-710-801. SYS OPS NORMAL.