# SDR AWXA200600234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2006
- Submitted: February 9, 2006
- 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: 51,383 hours, 22,802 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: D53230585200
- Condition: Corroded
- Location: Fuselage
- 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/AWXA200600234

## Discrepancy

SAL - MAJOR REPAIR - DURING C4 CHECK DISCOVERED CORROSION ON UPPER SHEET METAL AT FORWARD CARGO DOOR SILL STRUCTURE FROM FR27 TO FS 28 AT Y-590.  NO ALLOWABLE LIMITS WERE FOUND IN THE AIRBUS SRM.  MAINTENANCE REMOVED AND INSTALLED NEW UPPER SHEET METAL FROM FS 24 TO FS 28 AT Y-590 IAW AIRBUS 320 SRM 51-72-11 AND DRAWING D53231681.

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