# SDR DU4R20180409004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2018
- Submitted: April 9, 2018
- Operation: Air carrier
- Filed by: [AAR Aircraft Services, LLC, repair station DU4R141M](https://openairdocs.org/faa-repair-station/DU4R141M/aar-aircraft-services-llc.md) (OpenAirDocs)
- Aircraft: [N272NV](https://openairdocs.org/aircraft/N272NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 2995
- Aircraft time: 23,411 hours, 19,991 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: D57252402000
- Condition: Corroded
- Location: Lt Wing
- 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/DU4R20180409004

## Discrepancy

DURING C-CHECK CORROSION WAS FOUND ON THE UPPER SURFACE OF THE LT NR 1 SKIN PANEL BETWEEN RIBS 1 AND 2 AT THE FRONT SPAR. CORROSION REMOVAL EXCEEDED SRM LIMITS.

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