What was found
DURING MAINTENANCE INSPECTION, AIRCRAFT MAINTENANCE CORRODED AREA WAS FOUND AT DRAIN MUST BETWEEN STA 1395 AND STA 1417 AND STR 35R AND STR 36R. A UT INSPECTION WAS ACCOMPLISHED ON BLENDED AREA TO DETERMINE THE REMAINING MATERIAL THICKNESS AS CONTAINED IN REF /A/. PER REF /D/, AND THE BLENDED AREA WAS FOUND TO SLIGHTLY EXCEED ALLOWABLE PARENT MATERIAL LOSS LIMITS AND EXCEED ALLOWABLE LIMITS. REWORKED AREA, NOMINAL THICKNESS 0.135" (0.010"+/-0.007"), REMAINING MATERIAL 0.118", 12.5% MATERIAL REMOVED. REWORKED AREA, NOMINAL THICKNESS 0.105" (0.010"+/-0.005"), REMAINING MATERIAL 0.103", 2.5% MATERIAL REMOVED. REWORKED AREA, NOMINAL THICKNESS 0.056" (0.010" /-0.003"), REMAINING MATERIAL 0.051", 9% MATERIAL REMOVED