# SDR DU4R2007183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2007
- Submitted: November 12, 2007
- Operation: Air carrier
- Filed by: [AAR Aircraft Services, LLC, repair station DU4R141M](https://openairdocs.org/faa-repair-station/DU4R141M/aar-aircraft-services-llc.md) (OpenAirDocs)
- Aircraft: [N710TW](https://openairdocs.org/aircraft/N710TW), registered now
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 28169
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 1640
- 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/DU4R2007183

## Discrepancy

FOUND CORROSION IN MAIN CABIN FLOORBEAM UPPER CAP AT BS 1640 BETWEEN LBL 6 TO RBL 6.  REPAIRED BY FABRICATING AND INSTALLED REPAIR ANGLES AND STRAPS FROM 7075-T6 .063 AND 7075-T6 .071, S ANGLE FROM BAC1490-2865 IAW B757 SRM 53-00-51 AND 51-40-02.

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