# SDR 2005FA0000849

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2005
- Submitted: June 6, 2005
- Operation: General aviation
- Aircraft: [N3031R](https://openairdocs.org/aircraft/N3031R), registered now
- Make and model: Cessna 310D
- Registry model: [Cessna 310D](https://openairdocs.org/model/cessna-310d) (OpenAirDocs)
- Aircraft serial: 39115
- Aircraft time: 5,772 hours
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Part number: 082260041
- Condition: Corroded
- Location: Lt Wing
- Part time: 5,772 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2005FA0000849

## Discrepancy

LT WING REAR UPPER SPAR CAP IN NACHELL/EXHAUST AREA AND OUTBOARD WS 80.0-100.0 APPROX. 20 INCHES, WAS FOUND DURING VISUAL INSPECTION, TO HAVE SEVERE EXFOLIATED INTERGRANULAR CORROSION RINDERING THIS SECTION OF SPAR TO BE UNSERVICABLE.  ALSO JUST I/B OF BATTERY BOX ON THE FORWARD SPAR IS AN AREA OF HEAVY SURFACE CORROSION CAUSED BY BATTERY ACID/FUMES ON THE LOWER CAP AND WEB.  WS 85.0-89.5

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