What was found
AFTER A/P DISCONNECT ON FINAL, F/O UNABLE TO MOVE ELEVATOR IN EITHER DIRECTION FOR 5 TO 7 SECONDS AFTER DISC PITCH CONTROL THEN RETURNED TO NORMAL. REPLACED ELEVATOR SERVO & SERVO MOUNT UNITS IAW 22-11-14, AND 22-11-24. OPERATIONAL CHECK GOOD. P/N 622-5027-101, S/N OFF 13XHP, P/N 822-0260-001, S/N OFF 145HP.