As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING IN-FLIGHT ENGINE TREND CHECK OF ACFT ENGINES, PILOTS DISCOVERED REVERSE OPERATION OF THE NR 2 ENGINE TRIM OR ANTICIPATOR CONTROL AT MID-POINT OF ACTUATION. AFTER RIGGING ACFT PER N.W.C., AND THOROUGH TROUBLESHOOTING, DETERMINED THE ECCENTRIC BALL END LOCATED AT THE LOWER OFFSET OF THE ANTICIPATOR RELAY ASSY WAS NOT POSITIONED CORRECTLY, WAS 90 DEGREES OFF. THE ERROR WAS DONE AT AN EARLIER DATE.