# SDR SWI2026F00024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2025
- Submitted: January 5, 2026
- Operation: Air carrier
- Aircraft: [N454SW](https://openairdocs.org/aircraft/N454SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7749
- Aircraft time: 41,862 hours, 37,618 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/SWI2026F00024

## Discrepancy

RBL9 HAS MULTIPLE SPOTS OF CORROSION ON TOP PLATE BETWEEN BS 409 TO BS 409+64.   REPAIRED MULTIPLE SPOTS OF CORROSION ON TOP PLATE OF FLOORBEAM CAP REF SRM 53-00-43, REPAIR 2, STEP 5 A (7) FIG. 203 ,  REO. 601R-53-31-1354, REV--, STEPS 1 - 9, ALL OTHER REQUIREMENTS IAW DWG 601R31117, REV E & DWG 601R31030, REV. N . COMPLIED WITH TASK CARD 51-900-1003-SKY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
