# SDR DU4R2007164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2007
- Submitted: August 22, 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: [N6712B](https://openairdocs.org/aircraft/N6712B), registered now
- Make and model: Boeing 757232
- Aircraft serial: 30484
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 146N5090
- Condition: Corroded
- Location: Bs 1661
- 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/DU4R2007164

## Discrepancy

FOUND CORROSION AROUND FASTENER HOLE AT FLOORBEAM BS 1661 LBL 10.  REPAIRED BY CUTTING OUT CORRODED AREA.  FABRICATED AND INSTALLED REPAIR CHORD 16 LONG FROM BAC1505-100617, 2 EA. REPAIR ANGLES 24 LONG FROM BAC1490-2734 AND BAC1490-2865 AND TWO 24 REPAIR STRAPS FROM 7075-T6 .071, IAW B757 SRM 53-00-51 FIG 201, 51-40-02 AND BAC DWG 146N5230.

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