# SDR SWI2024F01048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2024
- Submitted: October 28, 2024
- Operation: Air carrier
- Aircraft: [N906EV](https://openairdocs.org/aircraft/N906EV), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7642
- Aircraft time: 43,108 hours, 39,988 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/SWI2024F01048

## Discrepancy

MULTIPLE SPOTS OF CORROSION NOTED ON L/H PRESSURE FLOOR SILL (MARKED) (C-CHECK RO 10/26/2024) (FILED OPEN)BLENDED MULTIPLE SPOTS ON L/H PRESSURE FLOOR SILL PER CRJ200 SRM 51-21-06EVALAUTED MULTIPLE SPOTS OF CORROSION ON L/H PRESSURE FLOOR SILL ORIGINAL THICKNESS IN CHEMILLED POCKET 0.055'' AND ON PAD AREA 0.080'' REF. CRJ-200 SRM 53-41-45 AND REF. DRAWING 601R31145 REV P , AFTER BLENDED THE REMAININIG THICKNESS AND DIMENSIONS OF THE DAMAGE ARE AS FOLLOWS : DAMAGE # 1 L= 1.700'' W= 1.500'' D= 0.075'' , DAMAGE # 2 L= 1.300'' W= 1.200'' D= 0.052'' , DAMGE # 3 L=1.900'' W=1.300'' D= 0.051'' DISTANCE BETWEEN DAMAGE # 2 AND # 3 IS 4.700'' , DAMAGE # 4 L= 2.400'' W=1.700'' D = 0.030'' , DAMAGE # 5 L= 2.700'' W= 2.300'' D= 0.052'' , DAMGE # 6 L= 1.700'' W= 1.300'' D=0.051'', DAMAGE # 7 L=1.700'' W= 1.500'' D= 0.050'' DISTANCE BETWEEN DAMAGE # 6 AND # 7 IS 3.900'' AND DAMAGE # 8 L=2.00'' W=1.400'' D= 0.079 , BLENDED AREA TO BE OUT LIMITS REF.CRJ-200 SRM 53-41-45INSTALLED PACKER AND REPAIR DOUBLER TO PRESSURE FLOOR SILL BETWEEN FS461.50-FS473.15 LHS REF REO 601R-53-41-3259 REV --, 2024-09-23COMPLIED WITH TASK CARD 51-90

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