# SDR USAA2009111193083

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2009
- Submitted: November 11, 2009
- Operation: Air carrier
- Aircraft: N905AW
- Make and model: Boeing 757-2S7
- Registry model: [Boeing 757-2S7](https://openairdocs.org/model/boeing-757-2s7) (OpenAirDocs)
- Aircraft serial: 23567
- Aircraft time: 85,763 hours, 32,098 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: 146N852252
- 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/USAA2009111193083

## Discrepancy

BFM - C4 - MAJOR REPAIR - LEVEL 2  CORROSION ON LOWER SILL & CHORD BETWEEN BS 1380 TO BS 1440, WL 145, RBL 20.  REPLACED LOWER SILL & CHORD BETWEEN BS 1380 TO BS 1440, WL 145, RBL 20 IAW B757 SRM 51-40-02 & 51-20-01.

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