# SDR 99ZZZX4618

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N494SP](https://openairdocs.org/aircraft/N494SP), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S8035
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 052309510
- Condition: Cracked
- Location: Rt Wing
- 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/99ZZZX4618

## Discrepancy

DURING FIRST PHASE 3 INSPECTION, FOUND RT UPPER WING TRAILING EDGE SKIN ASSY CRACKED.  THE THIRD RIVET FROM INBOARD TRAILING EDGE HAD A ONE INCH CRACK EMANATING FROM THE RIVET HEAD.  REPLACED TRAILING EDGE SKIN AND RE-PAINTED.

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