# SDR USAA2014050600025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2014
- Submitted: May 6, 2014
- Operation: Air carrier
- Aircraft: [N939UW](https://openairdocs.org/aircraft/N939UW), registered now
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27303
- Aircraft time: 64,411 hours, 24,551 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Part number: 143N832854
- 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/USAA2014050600025

## Discrepancy

C4 CHECK LEVEL 2 GALVANIC CORROSION ON CABIN RT CREASE BEAM INNER CHORD BETWEEN BS 725 TO BS 740, RBL 62.  REPLACED CREASE BEAM BETWEEN BS 725 TO BS 740, RBL 62 IAW SRM 51-40-02.

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