# SDR COEA2018091111921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2018
- Submitted: September 11, 2018
- Operation: Air carrier
- Aircraft: [N921FX](https://openairdocs.org/aircraft/N921FX), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 319
- Aircraft time: 27,284 hours, 31,417 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Landing
- Part number: S57110919200
- 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/COEA2018091111921

## Discrepancy

HEAVY CHECK COE/MAJOR REPAIR: LT WING PANEL 521DT LANDING HAS FRETTING DAMAGE. LEVEL 2, REPAIR PER SRAS DO/TS-3860/04...2939 ISSUE D, DATED 8/17/2018.

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