# SDR SWI2025F00666

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2025
- Submitted: May 27, 2025
- Operation: Air carrier
- Aircraft: [N877AS](https://openairdocs.org/aircraft/N877AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7579
- Aircraft time: 43,060 hours, 38,393 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/SWI2025F00666

## Discrepancy

RH PRESSURE FLOOR SILL BETWEEN FS 529.00 TO FS 544.00 AND RBL 44.00 HAS SURFACE CORROSION.  (FILED CLOSED)BLENDED CORROSION ON THE RH PRESSURE FLOOR SILL ASSY BETWEEN FS 529.00 TO FS 544.00 AND RBL 44.00 WITH REFERENCE TO SRM 51-21-06.  PERFORMED UT REMAINING THICKNESS MEASUREMENT WITH REFERENCE TO NDTM PART 4 51-00-001 AND FOUND TO BE ACCEPTABLE PER AND COMPLIED WITH REO 601R-53-41-666 REV "-C" DATED 2012-11-06.  PERFORMED EDDY CURRENT INSPECTION WITH REFERENCE TO NDTM PART 1 51-20-06 AND NDTM PART 6 53-00-096 WITH NO CRACKS FOUND.  COMPLIED WITH TASK CARD 51-900-1003-SKY.  COMPLIED WITH M-337.  COMPLETED CORROSION FINDINGS REPORT.

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