What was found
1080 LAP JOINT HAS + 10 PERCENT INDICATION OF CORROSION BELOW S-2 LT, FROM LBL 13 TO 14 AFT OF AFT FASTNER ROW. REMOVED FASTENERS AND CUT OUT DAMAGED AREA OF AFT SKIN BS 1080 FROM STR 4 LT TO 4 RT, 1/4 IN X 4 1/8 IN. VISUAL INSPECTION FROM S 10 LT TO S 10 RT SHOWS NO FURTHER CORROSION.ALODINED AND PRIMED AREA PER SRM 51-10-2. FABRICATED REPAIR PARTS AND INSTALLED PER S/B727-53-0109 AND DRAWING 69-62161. SEALED AREA AS REQUIRED PER S/B 727-53-0109.