# SDR 2013FA0000633

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2013
- Submitted: November 15, 2013
- Operation: Air carrier
- Aircraft: N43XA
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft serial: 24796
- Aircraft time: 53,301 hours, 28,035 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Zone 500
- Part time: 53,301 hours, 28,035 cycles
- 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/2013FA0000633

## Discrepancy

CORROSION FOUND ON THE TOP OF BOTH WING SKIN LEADING EDGES AT THE PYLON/ENGINE STRAP AREA THAT WERE OUT OF THE SRM LIMITS.  ENGINEERING SUPPLIED A REPAIR SCHEME, MESSAGE NR CIN-CIN-13-0017-08B AND CIN-CIN-13-0016-13B, IN WHICH THE REPAIR WAS ACCOMPLISHED.

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