What was found
A/C WAS FOUND IN LGA ON 9-17-97 WITH A 3 CRACK IN THE FUSELAGE SKIN AT S20R BETWEEN STA 660 AND 680 AND OIL-CANNING CONDITION AT THE SAME STATION IN THE FIVE STRINGER BAYS BELOW THE CRACK. CRACK WAS REPAIRED PER SRM AND THE OIL-CANNING CONDITION WAS AUTHORIZED FOR A SINGLE, NON-REVENUE FLIGHT TO ATL PER ER/A 362766-14. THIS ER/A AUTHORIZES REPAIR TO THE OIL-CANNING CONDITION, WHICH WILL ENCOMPASS THE PREVIOUS CRACK REPAIR AS WELL. REPAIRED PER ERA 362783-14 REV. B