# SDR 97ZZZX2653

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N3760T](https://openairdocs.org/aircraft/N3760T), registered now
- Make and model: Piper PA-28R-180
- Registry model: [Piper PA-28R-180](https://openairdocs.org/model/piper-pa-28r-180) (OpenAirDocs)
- Aircraft serial: 28R30069
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 6707002
- Condition: Corroded
- Location: Lt Wing
- Part time: 4,500 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX2653

## Discrepancy

DURING ANNUAL INSPECTION, FOUND LT WING MAIN SPAR UPPER CAP SEVERELY CORRODED ON FWD FLANGE.  ONLY WAY TO DETECT IS WITH A MIRROR THROUGH FWD WHEELWELL INSPECTION PANEL.  WING REMOVED AND SPAR REPLACED. SUBMITTER STATED INTERGRANULAR CORROSION IS THE CAUSE.

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