# SDR FY4Y202009118008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2020
- Submitted: September 11, 2020
- Operation: Air carrier
- Filed by: [Air Asia Co. Ltd., repair station FY4Y197M](https://openairdocs.org/faa-repair-station/FY4Y197M/air-asia-co-ltd.md) (OpenAirDocs)
- Aircraft: [N809TA](https://openairdocs.org/aircraft/N809TA), registered now
- Make and model: Boeing 737209
- Aircraft serial: 23796
- Aircraft time: 36,826 hours, 52,155 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- 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/FY4Y202009118008

## Discrepancy

CORROSION WAS FOUND AT LT WING BOTTOM SKIN LOWER SURFACE AT WS 475 TO WS 525.

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