# SDR SWI2025F01088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2025
- Submitted: August 18, 2025
- Operation: Air carrier
- Aircraft: [N945SW](https://openairdocs.org/aircraft/N945SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7770
- Aircraft time: 49,180 hours, 42,301 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Pressure Deck
- 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/SWI2025F01088

## Discrepancy

MULTIPLE AREAS OF CORROSION ON LH PRESSURE FLOOR SILL BETWEEN FS409.00+128 AND 559.00.   (C-CHECK RO 08/16/2025)REFERENCE CP 30297365  FOR REPAIR OF AREA BEYOND LIMITS JUST FWD OF FS 559.00 AT LBL 42.5 APPROXIMATELY. BLENDED ALL OTHER AREAS OF CORROSION ON LH PRESSURE FLOOR SILL BETWEEN FS409.00+128 AND 559.00 WITH REFERENCE TO SRM 51-21-06. PERFORMED UT REMAINING THICKNESS MEASUREMENT WITH REFERENCE TO NDTM PART 4, 51-00-001 AND FOUND TO BE WITHIN LIMITS OF REO 601R-53-41-666 REV "-C" DATED 2012-11-06. PERFORMED EDDY CURRENT INSPECTION WITH REFERENCE TO NDTM PART 1, 51-20-06 AND NDTM PART 6, 53-00-096 WITH NO CRACKS FOUND.  COMPLIED WITH TASK CARD 51-900-1003-SKY.  COMPLETED M-337.  COMPLETED CORROSION FINDINGS.

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