# SDR SWIA2026227873969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2025
- Submitted: February 27, 2026
- Operation: Air carrier
- Aircraft: [N609SK](https://openairdocs.org/aircraft/N609SK), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10020
- Aircraft time: 50,105 hours, 38,517 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Zone 100
- 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/SWIA2026227873969

## Discrepancy

STRINGER 21L IS CORRODED BETWEEN FS437.00 & FS453.00.    (C-CHECK RO 02/25/2026)COMPLIED WITH REO 670-53-21-2698 DATED: 2025-10-07 REV: A, REPAIR FOR CORROSION DAMAGE TO STRINGER STR21L BETWEEN FS 437.00 - FS 453.00. COMPLIED WITH TASK CARD 51-900-1002-SKY. COMPLETED M-337. COMPLETED CORROSION FINDINGS REPORT. ALL NDT'S COMPLIED WITH AND NO CRACKS NOTED AT THIS TIME. REF CHILD FOR LEAK CHECKS.

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