# SDR SWI2025F00745

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2025
- Submitted: June 24, 2025
- Operation: Air carrier
- Aircraft: [N919EV](https://openairdocs.org/aircraft/N919EV), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7780
- Aircraft time: 39,114 hours, 39,982 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Cracked
- 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/SWI2025F00745

## Discrepancy

DURING AUDIT OF 48MO TASK CARD 53-160-502 (DETAILED INSPECTION OF THE PRESSURE FLOOR-SUPPORT BEAMS, FS409.0+128 TO FS559.0 (CPCP)) FOUND THE INBOARD CLIP FOR THE INTERCOSTAL, AT APPROX FS484.00 BETWEEN LBL27.00 AND THE LH FLOOR SILL, APPEARS TO HAVE A CRACK AT THE UPPER RADIUS AND IS MISSING A RIVET HEAD.   (C-CHECK RO 06/23/2025)REMOVED INBOARD CLIP FROM INTERCOSTAL AT APPROX FS484.00 BETWEEN LBL27.00 AND THE LH FLOOR SILL REF. CRJ-200 SRM 51-42-21 AND  INSTALLED INBOARD CLIP FROM INTERCOSTAL AT APPROX FS484.00 BETWEEN LBL27.00 AND THE LH FLOOR SILL PER REF DWG 601R31171, REV: B, REF CRJ200 SRM 51-42-21, COMPLIED WITH51-900-1003-SKY

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