# SDR SWIA2026022575314

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2025
- Submitted: February 25, 2026
- Operation: Air carrier
- Aircraft: [N613SK](https://openairdocs.org/aircraft/N613SK), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10038
- Aircraft time: 51,185 hours, 38,405 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Blkhd
- Condition: Corroded
- 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/SWIA2026022575314

## Discrepancy

FOUND SURFACE CORROSION ON THE LH FORWARD PRESSURE BULKHEAD FITTING UPPER SURFACE FLANGE FS 686.00 - FS 698.00 & LBL 9.00   (C-CHECK RO 02/22/2026)COMPLIED WITH  REO 670-53-41-777 REV-- DATED 2025-11-28. AND BLENDED SURFACE CORROSION ON THE LH FORWARD PRESSURE BULKHEAD FITTING UPPER SURFACE FLANGE FS 686.00 - FS 698.00 & LBL 9.00. REFERENCE CP 31271411 FOR EDDY CURRENT. PERFORMED UT REMAINING THICKNESS INSPECTION WITH REFERENCE TO PART 4, NDTM 51-00-000-270 AND FOUND TO BE WITHIN LIMITS. COMPLETED CORROSION FINDINGS REPORT. COMPLIED WITH TASK CARD 51-900-1002-SKY. COMPLETED FORM M-337.

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