What was found
DURING CLIMB, LEAVING FL 230 WITH 340 KNOTS, EXTREME VIBRATION IN STRUCTURE, VIBRATION STOPPED, SPEED REDUCED TO 250 KNOTS & RETURNED TO FL 230 IAW TSM FIGURE 05-50-00-991-00400-C SHEET 1, DECISION TABLE WAS ACCOMPLISHED TYPE 13, 12, 11 & 10. THE PAX DOOR WAS CHECKED & FWD DOOR RUBBING THE COVER PLATE WERE REPAIRED. THE BELLY FAIRING WAS CHECKED & FOUND SEALS MISSING. IAW AMM 27-34-00-200-001A CHECK OF THE ELEVATOR SERVO CONTROLS & HINGE BEARINGS HAS TOO MUCH PLAY & CONDITION WAS PERFORMED & FOUND RT SIDE ELEVATOR OUT OF LIMITS IN BOTH SERVO CONTROLS, LT SERVO CONTROLS GREEN 6.62, BLUE 6.42 SIDE, YELLOW 14.63 & BLUE 14.34 IAW CMM TASK 55-21-15-300-805-A01 WERE ACCOMPLISHED OF THE REPLACEMENT OF THE PRESSEN IN BUSHES IN THE HINGES FITTING IN HINGE ARM 1, 2, 3, 4 & 5 WITH AMM 27-34-41-400-001. ACCOMPLISHED INSTALLATION OF THE ELEVATOR SERVO CONTROL & WITH AMM 55-16-400-00 INSTALLATION OF THE ELEVATOR SUPPORT SYS.