# SDR SWI2023F00061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2023
- Submitted: June 27, 2023
- Operation: Air carrier
- Aircraft: [N960SW](https://openairdocs.org/aircraft/N960SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7853
- Aircraft time: 44,870 hours, 38,518 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- 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/SWI2023F00061

## Discrepancy

DURING THE AUDIT 96/72MO TASK CARD 53-900-511, DI OF THE RIGHT LONGERON €ŒT€? BRACKETS AND UPPER SURFACE OF PRESSURE FLOOR SILL STRUCTURE (CPCP), FOUND MULTIPLE AREAS OF CORROSION AND/OR PAINT BUBBLING ALONG THE FLOOR SILL BETWEEN 409+128 €“ 559, SPECIALLY AROUND NUTPLATE HOLES. PLEASE RE-INSPECT THIS AREA FOR CORROSION.     (C-CHECK RO 6/20/2023)    BLENDED CORROSION ON RH PRESSURE FLOOR SILL REF CRJ200 SRM 51-21-06. FOUND TO BE WITH IN LIMITS. COMPLIED WITH ALL STEPS OF REO 601R-53-41-666 REV.-C DATED 2012-11-06. COMPLIED WITH TASK CARD 51-900-1003-SKY.

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