# SDR SWAA2021091540272

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2021
- Submitted: September 15, 2021
- Operation: Air carrier
- Aircraft: [N491WN](https://openairdocs.org/aircraft/N491WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33867
- Aircraft time: 53,758 hours, 31,898 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Attach Angle
- Condition: Cracked
- Location: Bs 400
- 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/SWAA2021091540272

## Discrepancy

CRACKED INTERCOSTAL ATTACH ANGLE AT FWD CARGO BAY BS400 RBL24 WL155. ; / [01] REMOVED INTEERCOSTAL CLIP BS 400 RBL 24 WL 155 IAW SRM 51-40-02. <BR>LOCATED AND DRILLED NEW INTERCOSTAL CLIP PER SRM 51-40-05. DWG 143A7505. <BR>REQUEST OK TO INSTALL; [02] VERIFIED CORRECTIVE ACTION ITEM 1; [03] INSTALLED NEW INTEERCOSTAL CLIP BS 400 RBL 24 WL 155 IAW SRM 51-40-02. AND DWG 143A7505.; [04] VERIFIED CORRECTIVE ACTION ITEM 3; [05] VERIFIED COMPLETE

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
