# SDR USAA2010011990131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2009
- Submitted: January 19, 2010
- Operation: Air carrier
- Aircraft: N637AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 099
- Aircraft time: 63,581 hours, 28,207 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: D53472098000
- Condition: Corroded
- Location: Zone 100
- 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/USAA2010011990131

## Discrepancy

MAJOR REPAIR - LEVEL 2 GALVANIC CORROSION ON HARD POINT AREA OF FLOORBEAM BETWEEN FR 65 + 29 INCHES TO FR66 + 5 INCHES, Y920.  REPLACED FLOOR AND DRAWING NR D53472040.

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