# SDR USAA2009092292587

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2009
- Submitted: September 22, 2009
- Operation: Air carrier
- Aircraft: [N927UW](https://openairdocs.org/aircraft/N927UW), registered now
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27123
- Aircraft time: 53,391 hours, 21,981 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 146N542520
- Condition: Corroded
- 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/USAA2009092292587

## Discrepancy

MCN - B12 - MAJOR REPAIR - CORROSION ON INTERCOSTAL BETWEEN BS 1400 TO BS 1420, S29R.  REPLACED INTERCOSTAL BETWEEN BS 1400 TO BS 1420, S29R IAW B757 SRM 51-40-05 & BOEING DRAWING 140N5425.

---
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.