# SDR USAA2013080700031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2013
- Submitted: August 8, 2013
- Operation: Air carrier
- Aircraft: [N770UW](https://openairdocs.org/aircraft/N770UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1393
- Aircraft time: 32,959 hours, 22,115 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: D5348004800104
- Part serial: NSN
- 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/USAA2013080700031

## Discrepancy

DURING 2S CHECK,  CORROSION WAS FOUND ON SILL BETWEEN FR 66 TO 69, -Y1732.  REPLACED SILL IAW SRM 51-42-11 & 51-44-11.

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