# SDR USAA051342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2005
- Submitted: November 7, 2005
- Operation: Air carrier
- Aircraft: N525AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23860
- Aircraft time: 51,400 hours, 51,400 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/USAA051342

## Discrepancy

BS 312, WL 208, LBL 16 TO RBL 16 LEVEL 1 CORROSION.  SPLICED IN REPLACEMENT EXTRUSION IAW SRM 53-10-51 FIG 201.  DEFECT SIZE: .50 X .50 INCH.

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