What was found
MOD AIRCRAFT VIBRATION 320 KNOTS FL230 DESCENDING FELT LIKE RAPID SIDE TO SIDE MOTION. ELEVATOR FREEPLAY WAS OUT OF LIMIT. ROD END BEARINGS WERE REPLACED ON ELEVATOR PCU 34CE1 34CE2, 34CE3 & 34CE4. SEE SQ 0092020, 0092011, 0092014 AND OO92 018. RUDDER FREEPLAY CHECKED WITHIN LIMITS.