# SDR SWIA2026031075443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2026
- Submitted: March 9, 2026
- Operation: Air carrier
- Aircraft: [N779SK](https://openairdocs.org/aircraft/N779SK), registered now
- Make and model: Cndair CL6002C11
- Aircraft serial: 10276
- Aircraft time: 40,873 hours, 26,703 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Zone 200
- 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/SWIA2026031075443

## Discrepancy

THE INTERNAL FLOORBEAM AT LBL9 HAS MULTIPLE LOCATIONS OF CORROSION ON TOP BETWEEN FS1000-FS1088.   (C-CHECK RO 03/07/2026)REPLACED INTERNAL FLOORBEAM AT LBL9 BETWEEN FS1000-FS1088 IAW CRJ550 SRM 51-41-02-001-001-A01, CRJ550 SRM 51-42-21-001-001-A01, CRJ550 SRM 53-00-41-201-001-A01 REV. 38 - JUL 25/2020, DWG MM670-35041 REV. -Y AND REO 670-53-61-2680 REV. --, DATE: 2026-02-23COMPLIED WITH TASK CARD 51-900-1002-SKY

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