# SDR USAA980465

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N393US
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23315
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 654581094
- Condition: Corroded
- Location: Bs 312
- Part time: 37,228 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA980465

## Discrepancy

CLT - DURING Q-4 CHECK VISUAL INSPECTION, FOUND AN AREA OF CORROSION AROUND FASTENERS .5 INCH BY .5 INCH BY 37 INCH STAITON 312 BETWEEN LBL 14 AND RBL 23 FLOORBEAM UPPER CHORD.  CORROSION TASK NR C53-107-02.  INSTALLED NEW T-SECTION WITH DOUBLER PER SRM 53-10-51.  (M)

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