# SDR 2013FA0000628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2013
- Submitted: November 7, 2013
- Operation: General aviation
- Aircraft: [N321EH](https://openairdocs.org/aircraft/N321EH), registered now
- Make and model: Mooney M20M
- Registry model: [Mooney M20M](https://openairdocs.org/model/mooney-m20m) (OpenAirDocs)
- Aircraft serial: 270096
- Aircraft time: 1,492 hours
- Engine: Lyc TIO540AF1A
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Condition: Corroded
- Location: Zone 600
- Part time: 1,492 hours
- 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/2013FA0000628

## Discrepancy

DURING INSPECTION, SEVERE INTERGRANULAR CORROSION HAS BEEN FOUND IN TWO PLACES ON THE UPPER MAIN SPAR CAP.

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