What was found
STABILIZER OUT OF TRIM LIGHT AT FL 385, 12 KTS FASTER THAN COMMAND SPEED. OUT OF TRIM WHEN AUTOPILOT A ENGAGED, WAS NOT TRIMMING. ACFT GROUNDED. HARD FAILURE DURING SPEED-STAB BITE LIBRARY TEST 60.32, REPLACED FCC "A" IAW AMM 22-11-33, OPS CHECK GOOD. BITE TEST GROUP NR 35, AND DFCS LRU INTERFACE TEST FOR FCC, AND LAND VERIFY TEST CHECKED GOOD IAW AMM 22-11-33 AND 22-11-00. HGS CHECKED GOOD IAW AMM 34-36-00, ACFT REMAINS AUTOLAND AND HGS CAT III QUALIFIED, SCREW REFLECTS SAME.