# SDR SWIA2021062258865

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2021
- Submitted: June 22, 2021
- Operation: Air carrier
- Aircraft: [N917SW](https://openairdocs.org/aircraft/N917SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7641
- Aircraft time: 46,354 hours, 39,373 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Lt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA2021062258865

## Discrepancy

*LH WING TOP SKIN PANEL 540AT HAS FRETTING CORROSION ON LANDING.     (C-CHECK - RO 6/19/21) /  REMOVED CORROSION FROM LH WING TOP PANE 540AT LANDING REF CRJ 200 SRM 51-21-06.  FOUND TO BE OUT OF LIMITS REF CRJ 200 SRM 57-21-31. MEASURED THICKNESS .199. ORIGINAL THICKNESS .200 REF DRAWING 601R10042 REV-U. MATERAL LOSS .001 MAX ALLOWED ZERO.  COMPLIED WITH REO 601R-57-21-3462 REV-- DATED 2021-04-26. AND RESTORED FINISH REF CRJ-200 SRM 51-25-06

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.