# SDR ECQ2018F00004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2018
- Submitted: October 25, 2018
- Operation: Air carrier
- Aircraft: [N618FT](https://openairdocs.org/aircraft/N618FT), registered now
- Make and model: Piper PA-28-161
- Registry model: [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161) (OpenAirDocs)
- Aircraft serial: 288516048
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 66623000
- Condition: Corroded
- Location: Lt Wing
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ECQ2018F00004

## Discrepancy

BORESCOPE INSPECTION REVEALED HEAVY INTER GRANULAR CORROSION BETWEEN FWD INBD LEFT WING AND SPAR AND FUSELAGE FITTING PN66761000 DUE TO DISSIMILAR METALS CONTACT.  BOTH PARTS REPLACED AT THIS TIME.

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