What was found
DURING AN ANNUAL INSP, FOUND LT ELEVATOR TORQUE TUBE LOOSE, AFTER REPAIR WHILE CHECKING CONTROL SURFACE BALANCE, SURFACE WAS FOUND TO BE BADLY OUT OF BALANCE AT +21 IN LBS. REMOVED T/E AND FOUND IT TO HAVE BEEN REPLACED WITH A FIELD FABRICATED PART BY PERSONS UNKNOWN. FOUND THE MATERIALS USED TO BE .040 SHEET ALUMINUM, THE FACTORY T/E WAS MADE OUT OF .016 AND WAS FOAM FILLED, REPLACED THE T/E WITH FACTORY PARTS, REPLACED T/E AND TRIM TAB ON OTHER ELEVATOR DUE TO SAME CONDITION, REBALANCED CONTROL SURFACES AND FOUND TO BE WITHIN RANGE OF 0 TO +5.4 IN LBS. (WP07200509576) (K)