# SDR SWIA2026010777096

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2026
- Submitted: September 3, 2026
- Operation: Air carrier
- Aircraft: [N912EV](https://openairdocs.org/aircraft/N912EV), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7728
- Aircraft time: 45,200 hours, 41,623 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/SWIA2026010777096

## Discrepancy

INSIDE THE AIRCRAFT CABIN RT SIDE BS 550 (APPROX) PRESSURE FLOOR SILL SHOW SIGNS OF CORROSION.  REMOVED CORROSION INSIDE THE AIRCRAFT CABIN RIGHT SIDE BS 550 (APPROX) PRESSURE FLOOR SILL IAW SRM 51-21-06.  MEASURED AREA ORIGINAL THICKNESS IS 0.080" AND MINIMUM REMAINING 0.072" AREA FOUND TO BE ALLOWABLE LIMITS IAW REO 601R-53-41-3396, REV--. RESTORED SURFACE FINISH ON FLOOR SILL IAW REO 601R-53-41-3396 REV--, AND SRM 51-21-16. CIC WILL APPLIED ON WORK CARD 2530/ CP 31823245.  AIRCRAFT WEIGHT CHANGE NEGLIGIBLETHRESHOLD INSPECTION (4560 FLIGHT CYCLES) DUE BEFORE OR AT 46177 FLIGHT CYCLES.

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