# SDR USAA060016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2006
- Submitted: January 17, 2006
- Operation: Air carrier
- Aircraft: N784AU
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 25023
- Aircraft time: 40,651 hours, 40,651 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 328
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA060016

## Discrepancy

FOUND SHEET METAL CORRODED ON FLOORBEAM STA 328 RBL 21.  INSTALLED DOUBLER IAW SRM 53-00-51 FIG 201, DEFECT SIZE: SHEETMETAL ITEM 1030M EVIDENCE OF CORROSION ON FLOORBEAM 1" BY 2", STA 328 RBL 21.

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