# SDR USAA2013052300023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2013
- Submitted: May 24, 2013
- Operation: Air carrier
- Aircraft: [N176UW](https://openairdocs.org/aircraft/N176UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1499
- Aircraft time: 42,019 hours, 15,351 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: D5348004320601
- 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/USAA2013052300023

## Discrepancy

2S CHECK-LEVEL 2 GALVANIC CORROSION ON LT AFT DOOR SILL BETWEEN FR66 TO FR68, Y1732. REPLACED LEFT AFT DOOR SILL BETWEEN FR66 TO FR68, Y1732 IAW SRM 51-74-00, 53-41-14 AND 51-42-11.

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