# SDR USAA2013041200030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2013
- Submitted: April 15, 2013
- Operation: Air carrier
- Aircraft: N935UW
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27201
- Aircraft time: 60,911 hours, 24,146 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 143N51361
- 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/USAA2013041200030

## Discrepancy

C4 CHECK - LEVEL 2 GALVANIC CORROSION ON INTERCOSTAL BETWEEN BS 680 TO BS 700, LBL 52.22.  REPLACED INTERCOSTAL BETWEEN BS 680 TO BS 700, LBL 52.22 IAW B757 SRM 51-10-02, 53-00-04 & 51-40-02.

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