What was found
AFT CARGO, STR 37 L/H HAS CORROSION IN MULTIPLE AREAS FROM FR.55 TO FR.64 GROUNDED - YES. REMOVED CORROSION ON STR 37 L/H FROM FR.55 TO FR.64 ORIG. THICKNESS .110 REMAINING .050, REMOVED .060 AND FOUND TO BE OUT OF LIMITS.PER A320 SRM 51-73-11, REPAIRED STR 37 L/H FROM FR55 TO FR64 PER ASA EA A320-53RA-00298 REV.00 THIS IS A CATEGORY B MAJOR REPAIR WITH AN INITIAL INSPECTION THRESHOLD OF 36 MONTHS DUE ON 25-FEB-2023 AS PER AIRBUS RDAS 80741404/009/2020 ISSUE A DATED 25/FEB/2020