What was found
DURING HEAVY MAINTENANCE, CORROSION SHEAR TIE FLOOR STRUCTURE LOCATED ON FRAME 88 BETWEEN STR 28R TO STR 29R ON AFT CARGO COMPARTMENT. RESOLVED ON W/O: 1072873 TASKCARD: NR-00010, REF N/R 2020-317432 W/O 2020-348/1. REMOVED AND REPLACED SHEAR TIE AND FASTENERS LOCATED ON FRAME 88 BETWEEN STR 28R TO STR 29R, IAW E190 SRM 51-40-08 AND DRAWING 170-65180-433.