# SDR SWIA2026010777091

- 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/SWIA2026010777091

## Discrepancy

INSIDE AIRCRAFT CABIN LT SIDE BS 409+128 - 428  (APPROX) PRESSURE FLOOR SILL SHOWS SIGN OF CORROSION IN MULTIPLE AREAS. REMOVED CORROSION INSIDE THE AIRCRAFT CABIN LT SIDE BS 409+128 - 428 (APPROX) PRESSURE FLOOR SILL IAW  SRM 51-21-06.  MEASURED AREA ON PRESSURE FLOOR SILL ORIGINAL THICKNESS IS 0.080" AND 0.055" MINIMUM REMAINING ON AREA IS 0.067" & 0.051" AREA FOUND TO BE ALLOWABLE LIMITS IAW REO 601R-53-41-3402 REV--.  RESTORED SURFACE FINISH ON FLOOR SILL IAW REO 601R-53-41-3402 REV- AND  SRM 51-21-16. CIC TO BE APPLIED ON WORK CARD 2530/ CP 31823245.  AIRCRAFT WEIGHT CHANGE NEGLIGIBLE IAW REO 601R-53-41-3402, REV--.  THRESHOLD INSPECTION DUE BEFORE OR AT 48015 FLIGHT CYCLES.

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