What was found
DURING ROUTINE C CHECK INSPECTION FOUND CONTROL COLUMN TORQUE TUBE WITH DEEP WEAR. REPLACED DAMAGED TORQUE TUBE. CLEANED, TREATED AND PRIMED AREA. IAW SRM 51-1-21, SRM 51-1-20D. SRM 51-1-8B. SRM 51-1-21, SRM 51-1-20D, SRM 51-3-1, AND SRM 27-267 REV. 2 DATE 01-20-88.