# SDR SWIA2026051376394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2026
- Submitted: July 3, 2026
- Operation: Air carrier
- Aircraft: [N770SK](https://openairdocs.org/aircraft/N770SK), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10243
- Aircraft time: 49,503 hours, 33,314 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/SWIA2026051376394

## Discrepancy

CORROSION ON STGR 23L BETWEEN FS517 AND FS533.  REMOVED AND REPLACED CORRODED STGR23L BETWEEN FS517.00 AND FS533.00 WITH NEW STRINGER (P/N SH670-33225-1A) USING ALL NEW FASTENERS, REF MHIRJ REO 670-53-31-1209 REV--, DATED 2026-06-09. COMPLIED WITH NOTES 20 AND 21 OF REO 670-53-31-1209 REV -- DATED 2026-06-09. REMAINING STEPS OF REO 670-53-31-1209 REV -- DATED 2026-06-09 IS COMPLIED ON JOB HN00312664 MX TRANS # 32237851 . SEE CONTINUATION STEPS FOR MORE DETAILS. ALL CHECKS GOOD. SKYWEST TASK CARD 51-900-1002-SKY COMPLIED WITH.

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