# SDR USAA920070873

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2007
- Submitted: October 1, 2007
- Operation: Air carrier
- Aircraft: N631AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 077
- Aircraft time: 57,893 hours, 25,897 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: D5348004820200
- Condition: Corroded
- Location: Zone 200
- 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/USAA920070873

## Discrepancy

MCN - MAJOR REPAIR - C-06 CHECK - NR 5966749, CORROSION ON THE L2 DOOR CUTOUT LOWER SILL SHAPE SILL FITTING, BS 3158 - BS 3257, S23L.  REPLACED THE L2 DOOR CUTOUT LOWER SILL SHAPE SILL FITTING, BS 3158 - BS 3257, S23L IAW A320 SRM 51-42-11.

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