# SDR SWIA202054454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2020
- Submitted: December 7, 2020
- Operation: Air carrier
- Aircraft: [N760EV](https://openairdocs.org/aircraft/N760EV), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10212
- Aircraft time: 35,540 hours, 25,964 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: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA202054454

## Discrepancy

SURFACE CORROSION IN 2 SPOTS ON LT FLOOR SILL FS 533L, MARKED.  C-CHECK RO 12/04/2020.  LT FLOOR SILL FS 533.00 TO FS 581.00 HAS INTERGRANNULAR CORROSION THROUGH ENTIRE THICKNESS OF PART.  OUT OF LIMITS.  REMOVED CORRODED SILL AND INSTALLED NEW LT FLOOR SILL P/N: SH670-33504-3S FROM FS 533.00 TO FS 581.00, REF CRJ700 SRM DWG.  RESTORED FINISH AND APPLIED CIC.  COMPLIED WITH TASK CARD.  PRESSURE LEAK CHECK GOOD, REF CRJ-700 AMM.  SEE CONTINUATION CARD FOR DETAILS.

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