What was found
AFT CARGO FLOOR STRUCTURE INTERCOSTAL FWD OF CARGO DOOR CUTOUT HAS CORROSION AT NUTPLATE SCREW HOLES. STA.767 TO STA.787 RBL22.<[01] REMOVED CORROSION PER SRM 53-60-15-1A-1 (0.047' REMAINING THICKNESS). SHIELD (INTERCOSTAL) IS OUT OF LIMITS PER SRM 53-60-15-1A-1.;[02] DRILL AND COUNTERSUNK NEW SHIELD IAW SRM 51-40-05 AND SRM 51-40-08.<BR>NEED OK TO INSTALL;[03] INSPECTION C/W DRILL AND COUNTERSUNK NEW SHIELD IAW SRM 51-40-05 AND SRM 51-40-08. OK TO INSTALL FLOOR STRUCTURE INTERCOSTAL;[04] INSTALLED NEW SHIELD ( INTERCOSTAL) FASTENERS IAW SRM 51-40-02;[05] INSPECTION C/W INSTALLED NEW SHIELD ( INTERCOSTAL) FASTENERS IAW SRM 51-40-02;[06] INSPECTION C/W INSTALLED NEW SHIELD ( INTERCOSTAL) FASTENERS IAW SRM 51-40-02