# SDR USAA2009041390877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2009
- Submitted: April 14, 2009
- Operation: Air carrier
- Aircraft: [N441US](https://openairdocs.org/aircraft/N441US), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24812
- Aircraft time: 50,086 hours, 35,130 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: 651758243
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009041390877

## Discrepancy

SAL - Q6 - MAJOR REPAIR - CRACK IN VERTICAL BEAM WEB OF BS 178 BULKHEAD AT RBL 17.1 BETWEEN WL 220 TO WL 234.  REPAIRED VERTICAL BEAM WEB OF BS 178 BULKHEAD AT RBL 17.1 BETWEEN WL 220 TO WL 234 IAW B737 SRM 53-10-08 REPAIR 12.

---
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.