# SDR SWIA20231027809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2023
- Submitted: October 27, 2023
- Operation: Air carrier
- Aircraft: [N953SW](https://openairdocs.org/aircraft/N953SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7813
- Aircraft time: 41,482 hours, 37,611 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Corroded
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA20231027809

## Discrepancy

R/H FLOOR SILL BETWEEN FS310.00 TO FS319.70 HAS CORROSION (MARKED)   (C-CHECK RO 10/29/2023)   REMOVED CORROSION ON RH FLOOR SILL BETWEEN FS310.00 TO FS319.70. REF CRJ-200 SRM 51-21-06. ORIGINAL THICKNESS OF 0.063". REMAINING THICKNESS OF 0.028" MATERIAL LOSS OF 0.035". FOUND TO BE OUT OF LIMITS. REF REO 601R-53-00-530 REV -A DATED 2014-10-07 WHICH ALLOWS 0.015" MATERIAL LOSS. REMOVED DAMAGED RH FLOOR SILL AND INSTALLED NEW RH FLOOR SILL BETWEEN FS310.00 TO FS319.70. REF CRJ-200 SRM 51-42-06, CRJ-200 SRM 51-42-20 AND DWG 601R31148 REV AC. COMPLIED WITH 51-900-1003-SKY

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