# SDR REXA2026052700752

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2025
- Submitted: May 28, 2026
- Operation: Air carrier
- Aircraft: [N921XJ](https://openairdocs.org/aircraft/N921XJ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15172
- Aircraft time: 38,778 hours, 27,736 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: SH670318257
- 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/REXA2026052700752

## Discrepancy

CORROSION FLOOR SUPPORT BTW FS 315 TO FS 345 ON THRESSHOLD AT PASSENGER CABIN CORROSION FLOOR SUPPORT BTW FS 315 TO FS 345 ON THRESSHOLD AT PASSENGER CABIN WAS EVALUATE OUT OFF LIMITS PER CRJ-900 SRM 51-10-06-001-001-A01 AND FLOOR SUPPORT WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-41-02-001-001-A01

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