# SDR COZA20210205132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2021
- Submitted: February 5, 2021
- Operation: Air carrier
- Aircraft: N732KA
- Make and model: Boeing 737-59D
- Registry model: [Boeing 737-59D](https://openairdocs.org/model/boeing-737-59d) (OpenAirDocs)
- Aircraft serial: 25065
- Aircraft time: 46,111 hours, 39,564 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: 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/COZA20210205132

## Discrepancy

CORROSION FOUND ON THE UPPER SURFACE OF THE LEFT AND RIGHT WINGS ALONG STRINGER HI-LOK ROWS.  LEFT WING LOCATION STRINGERS S-11 AND S-12 FROM APPROX WBL 183.4 TO WSTA 479.  RIGHT WING LOCATION STRINGERS S-10, S-11 AND S-12 FROM APPROX WBL 70.85 TO WSTA 505.00.  BOEING ENGINEERING CONTACTED FOR REPAIRS.

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