# SDR 98ZZZX1172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N600AA](https://openairdocs.org/aircraft/N600AA), registered now
- Make and model: Piper PA-28-140
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (OpenAirDocs)
- Aircraft serial: 2825102
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Condition: Corroded
- Location: Aft Spar Cap
- Part time: 4,577 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/98ZZZX1172

## Discrepancy

DURING WING INSPECTION, FOUND EVERY WHERE THAT SOUNDPROOF INSULATION COMES IN CONTACT WITH THE FERROUS AFT SPAR CAP, THAT CORROSION SETS IN DUE TO THE MOISTURE THAT THE INSULATION HOLDS.

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