What was found
DURING C3 CHECK IN TPE INSPECTION FOUND: CRACK ON ZEE STIFFENERS OF LT WING FIXED L/E UPPER PNL 516ET (REF EGAT N/R U05031). REMOVED THE DAMAGED STIFFENERS (ARB2440-503/503) 2EA PER MD-11 SRM 51-35-01 VOL 2 REV 40. STOP DRILLED WITH 0.25 INCH DIA HOLE AT ENDS OF CRACK. FABRICATED REPAIR STIFFENERS PER MD-11 SRM 57-10-00 FIG 35 VOL 1 REV 40. HEAT TREATED REPAIR STIFFENERS 7075-0 0.040 CLAD TO 7075 T62 0.040 CLAD (REFER TO JOB CARD 079569 - ATTACHED). INSTALLED REPAIR STIFFENERS PER MD-11 SRM 51-35-01 VOL 1 REV 4. JOB COMPLETED AND CHECK NORMAL.