What was found
MAIN CABIN AFT WET AREA, INTERCOSTAL CORRODED ON UPPER SURFACE BETWEEN BS 947.5 AND 967 APPROX LBL-25 REMOVED, LOCATED, DRILLED AND INSTALLED NEW INTERCOSTAL REF SRM 51-40-05, DWG 147A5650 REV- AND SRM 51-40-02. REMOVED DAMAGE, ORIG .080, MATERIAL LOSS .020, REMAINING .060 FOUND OUT OF LIMITS REF B737NG SRM 53-20-51-1A-1.