As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, LEFT INBD ROLL SPOILER WOULD NOT RETRACT. ACFT RETURNED TO DEPARTURE. FOUND POTENTIOMETER ARM OVER-CENTER. ADJUSTED ARM IAW MM 27-05-11. REINSTALLED PANEL 532BB, OPS CHECKED GOOD AT THIS TIME. REVERIFIED LT INBD SPOILER FDAU READOUT IAW MM 31-33-00. ALL READOUT CHECKED GOOD.