# SDR 2004FA0000920

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2004
- Submitted: December 9, 2004
- Operation: General aviation
- Aircraft: N9474
- Make and model: Univar 415CD
- Aircraft serial: 4851
- Aircraft time: 3,418 hours
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Wing Center Sect
- 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/2004FA0000920

## Discrepancy

INSPECTION OF WING CENTER SECTION PER AD 02-26-02 FOUND LIGHT CORROSION ON LOWER SKINS, MODERATE CORROSION ON 3 STIFFENERS.  REPLACED STIFFENERS, CLEANED AND TREATED SKIN.  AIRCRAFT WAS OUTSIDE WITHOUT COVER FOR AT LEAST 30 YEARS.

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