What was found
DURING C21 MAINTENANCE CHECK AT HAECO AMERICAS, MAINTENANCE REPORTED CORROSION DAMAGE ON THE LH WING OUTBOARD UPPER SPLICE PLATE (114T0223-19), APPROXIMATELY AT OSS 630.945. (2) RIVETS WERE REMOVED PER B767-300 SRM 51-40-02. THE DAMAGE WAS BLENDED PER SRM 51-20-01 WITH MINIMUM MATERIAL REMAINING OF 0.052 INCHES (LOSS 0.028”) FROM INITIAL THICKNESS OF 0.080 INCHES. THE MATERIAL LOSS FOUND TO BE OUT OF LIMITS PER SRM 51-41-01, ALLOWABLE DAMAGE 2. HOWEVER, MISCOMMUNICATION BETWEEN MAINTENANCE AND ENGINEERING, INADVERTENTLY CUT THE SUBJECT SPLICE PLATE.REPAIRED PER ABX-REA-5741-65023-00