What was found
DURING FIRST ATTEMPT, AT APPROX. 95 KNOTS, GOT AURAL WARNING "STABILIZER." AFTER RTO, STAB WAS SHOWING 5.9 (VERSUS THE PREVIOUSLY SET 5.7) ON SECOND TRY, BY 30 KNOTS STAB HAD ALREADY ADJUSTED ITSELF TO 5.5. ON EACH OCCASION OF STAB MOVEMENT, THE UNCOMMANDED CHANGE WAS IN THE SAME DIRECTION THAT WAS USED TO SET THE STAB PREVIOUSLY. REMOVED AND REPLACED NR 1 FCC PER MM 22-01-03-4. NR 1 FCC RTS PER MM 22-00-00-5. INSPECTED STAB TRIM VALVE OPERATION WITH NOT FAULTS FOUND. NR 2 FCC RTS PER MM 22-00-00-5. NO CURRENT/FAULT HISTORY LOGGED IN NR 1 OR NR 2 FCC PRIOR TO REPLACEMENT OF COMPONENTS.