What was found
DURING C-24 MAINTENANCE CHECK AT HAECO AMERICAS, MAINTENANCE REPORTED CORROSION DAMAGE ON LH WING UPPER SKIN PANEL NO.L, APPROX. AT WBL105 (112T3101-5). DAMAGE WAS REMOVED BY BLENDING AFFECTED AREA PER SRM 51-10-02 WITH MEASURED MATERIAL REMAINING OF 0.159 INCHES FROM INITIAL THICKNESS OF 0.196-INCH (UT MEASURED) WITH MATERIAL LOSS OF 0.037-INCH, FOUND TO BE OUT OF LIMITS PER SRM 57-20-01, AOL 1, TABLE I OF 0.030 INCHES (BASED ON 0.196-INCH UT READING). THE THICKNESS PER DRAWING IS 0.192 INCHES . RESTORED/REPAIRED AREA IAW ABX-REA-5720-65239-00 AND HAECO REO-G24749 REV: IR. ABX FORM M-287, M-289, AND FAA FORM 337