# SDR USAA950571

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N336US](https://openairdocs.org/aircraft/N336US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23233
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 312
- Part time: 27,236 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/USAA950571

## Discrepancy

INT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND .25 INCH BY 15 INCH TOTAL CORROSION, CORROSION AT SCREW HOLES ON FLOORBEAM AT BS 312 LBL 12 INCHES THROUGH RBL 24 INCHES.  REPAIRED PER TR 53-10-03.  CORROSION TASK NR C53-107-02, CORROSION LEVEL 2.  (M)

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