# SDR SWI2025F01087

- 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/SWI2025F01087

## Discrepancy

MULTIPLE AREAS OF CORROSION ON RH PRESSURE FLOOR SILL BETWEEN FS409.00+128 AND 559.00.     (C-CHECK RO 08/16/2025)REFERENCE CP 30297321 FOR REPAIRS OF AREAS BEYOND LIMITS BETWEEN FS449.85 AND FS529.00 AT APPROXIMATLY RBL 43.0. BLENDED ALL OTHER AREAS OF CORROSION ON RH 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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