# SDR SWAA2023030699757

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2023
- Submitted: March 6, 2023
- Operation: Air carrier
- Aircraft: [N7885A](https://openairdocs.org/aircraft/N7885A), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 33379
- Aircraft time: 62,518 hours, 31,343 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Zn 100 Fus Lower
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023030699757

## Discrepancy

INTERCOSTAL IN AFT CARGO BAY BS 927-947 RBL 21 UNDER R/H FLOOR TO SIDEWALL SUPPORT IS CRACKED<[01] CRACKED ON INTERCOSTAL IN AFT CARGO BAY BS 927-947 RBL 21 WITH NEXT DIMENSION L=0.850 TOOL USED ID: ATS1317; S/N: UNKNOWN; DATE:08/2022; DUE: 08/2023 FOUND TO BE OUT LIMITS I.A.W SRM 53-70-53-0L-2 FOR IDENTIFICATION AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE IT WILL BE REPAIRABLE BY REPLACEMENT I.A.W SRM 51-10-02-0G PAR 9C .;[02] VERIFIED CORRECTIVE ACTION #1.;[03] RECEIVED NEW INTERCOSTAL P/N 147A7580-63. LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 147A7500<BR>OK TO INSTALL;[04] VERIFIED CORRECTIVE ACTION ITEM 3.<BR>OKAY TO INSTALL NEW INTERCOSTAL.;[05] INSTALLED ON AFT CARGO BAY NEW INTERCOSTAL BS 927 TO BS 947 RBL 21 IAW SRM 51-40-02 AND DWG 147A7500;[06] VERIFIED CORRECTIVE ACTION 5;[07] VERIFIED MEASUREMENT TABLE. WORKSCOPE COMPLETE

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