# SDR USAA051354

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2005
- Submitted: November 15, 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: Bs 344
- 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/USAA051354

## Discrepancy

FOUND STA 344, LBL42-RBL31; AROUND CLIP NUT HOLES IN FLOOR BEAM CORRODED.  REMOVED CORRODED OUT OF LIMITS SECTION OF "T" CAP FROM LBL31 TO RBL31 IAW SRM 53-10-51, FIG 201, DEFECT SIZE: 1" BY 1".

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