# SDR SWIA2026031175969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2026
- Submitted: May 1, 2026
- Operation: Air carrier
- Aircraft: [N915SW](https://openairdocs.org/aircraft/N915SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7615
- Aircraft time: 48,677 hours, 41,217 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/SWIA2026031175969

## Discrepancy

PASSENGER CABIN FLOOR SUPPORT UPPER LANDING,  LBL 9 FROM APPROX. BS 409 + 16 -  409 + 112 HAS SURFACE CORROSION. BLENDED THE SURFACE CORROSION ON THE PASSENGER CABIN FLOOR BEAM UPPER LANDING . PERFORMED UT REMAINING THICKNESS MEASUREMENT WITH REFERENCE TO NDTM PART 4 51-00-001 AND FOUND TO BE ACCEPTABLE PER REO 601R-53-00-005 DATED: 2011/01/06 REV -B. PERFORMED EDDY CURRENT INSPECTION OF THE BLENDED AREAS WITH REFERENCE TO NDTM PART 1 51-20-06 AND NDTM PART 6 53-00-096 WITH NO CRACKS FOUND. RESTORED THE SURFACE FINISH WITH REFERENCE TO THE SRM 51-21-16, SRM 51-21-11 AND SRM 51-25-00. COMPLETED THE CORROSION FINDINGS REPORT.  COMPLIED WITH TASK CARD 51-900-1003-SKY. COMPLETED M-337.

---
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.