# SDR REXA2026052700767

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 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): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: BA690300371
- Condition: Cracked
- 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/REXA2026052700767

## Discrepancy

CORROSION ON SEAT RAILS ON LBL 9 BTW FS 379.00, 613.00 TO 661+16, 661+46 TO 661+62, ON RBL BTW FS 349.00, 421.00, 453.00 TO 469.00, 495.00 TO 661+26, ON LBL27 BTW FS 465.00, 495.00 TO 581.00. SEAT RAILS ON LBL 9 BTW FS 379.00, 613.00 TO 661+16, 661+46 TO 661+62, ON RBL BTW FS 349.00, 421.00, 453.00 TO 469.00, 495.00 TO 661+26, ON LBL27 BTW FS 465.00, 495.00 TO 581.00. WAS EVALUATED OUT OFF LIMITS PER CRJ 900 SRM 53-21-49-101-001-A01, SRM 53-31-49-101-001-A02 AND SRM 53-41-49-101-001-A02 AND WERE REPLACED PER CRJ900 SRM 51-40-11-001-001-A01 AND CRJ 900 AMM 53-00-49

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