# SDR USAA2010011990132

- 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: D53472172202
- 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/USAA2010011990132

## Discrepancy

LEVEL 2 INTERGRANULAR CORROSION ON FLOORBEAM BETWEEN FR 66 TO FR 67 + 10 INCHES, Y1230.  REPLACED FLOORBEAM BETWEEN FR 66 TO FR 67 + 10 INCHES, Y1230 IAW SRM 51-72-11.

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