What was found
1D/111 FORWARD CARGO COMPT STA 503-522 RBL 48 INTERCOSTAL IN TUNNEL AREA IS CRACKED AND INBD WATER TANK SUPPORT BRACKET HAS 3 SHEARED FASTENERS. REMOVED INTERCOSTAL PART 5919741-6 IAW DC9 SRM 51-30-2 STOP DRILLED CRACKS IAW DC9 SRM 53-01 FIG 2 SHT.3 ACCOMPLISHED HFEC INSP OF 5 STOP DRILLS IAW NDT SPM 06-10-01.001 CRACKS CONTAINED AT STOP DRILLS FAB AND INSTALLED REPAIR DOUBLER, REPAIR TAG INTERCOSTAL IAW DC9 SRM 51-30-2, 51-30-5, AND 53-01 FIG 2 SHT.3. INSTALLED REPAIR TAG IAW PROCESS STANDARD 900-5-1, NR 4. REQUIRED INSPECTION COMPLETED.