The Electronic Trim Servo assembly was removed from the left elevator to make the following upgrades: -Added black spiral wrap sleeve type insulation to electrical wires for more protection agains vibration and free movement. -Added more layers of liquid electronic tape to D-Sub terminal for protection. -Added a dab of liquid electronic tape to base of cables at the Electronic Trim Servo end to protect the cables from movement and vibration. -Inserted snap bushing into electronic trim's jack screw relief hole located in Elevator Spar