# SDR WRXR20250313001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2025
- Submitted: March 13, 2025
- Operation: Air carrier
- Filed by: [Wichita State University, repair station WRXR027E](https://openairdocs.org/faa-repair-station/WRXR027E/wichita-state-university.md) (OpenAirDocs)
- Aircraft: [N638NN](https://openairdocs.org/aircraft/N638NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15402
- Aircraft time: 13,566 hours, 14,050 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Strap
- Part number: CC67012106
- Condition: Corroded
- Location: Zone 500
- Part time: 13,566 hours, 14,050 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WRXR20250313001

## Discrepancy

CORROSION FOUND AT WS29.00 ON STRUCTURE SIDE WHERE PANEL 521AT MEETS STRUCTURE. REMOVED CORROSION AT L/H WS 29.00 WHERE ACCESS PANEL 521AT ATTACHES TO THE WING IAW CRJ 900 SRM 51-21-06-001-001-A01. BLENDED CORROSION DAMAGE ON L/H WING UPPER FIXED LEADING EDGE LANDING STRIP SS15.50 IAW REO 690-57-41-470. REMOVED AND REPLACED ALL FASTENERS THAT WERE BLENDED OVER IN THE REWORKED AREA ON L/H WING UPPER FIXED LEADING EDGE LANDING STRIP SS15.50 IAW REO 690-57-41-470. RESTORED THE SURFACE FINISH OF THE REWORKED AREA ON L/H WING UPPER FIXED LEADING EDGE LANDING STRIP SS15.50 IAW REO 690-57-41-470. REPAIR COMPLIED WITH IAW MHI RJ REO 690-57-41-470.

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