# SDR REXA2026050500456

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2026
- Submitted: May 5, 2026
- Operation: Air carrier
- Aircraft: [N604LR](https://openairdocs.org/aircraft/N604LR), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15152
- Aircraft time: 39,573 hours, 28,360 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 6905311228003S
- 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/REXA2026050500456

## Discrepancy

LH COCKPIT FLOOR-BEAM IS CRACKED AT FS 280.00.  LOCATED AND DRILLED NEW LBL12.00 COCKPIT FLOOR BEAM SECTION P/N: 690-53-11-228-003S IAW CRJ900 SRM 51-40-11-001-001-A01. AND CRJ900 SRM 53-11-43-201-003-A01. REPAIR TYPE 4. INSTALLED THE NEW LBL12.00 COCKPIT FLOOR BEAM SECTION P/N: 690-53-11-228-003S ALONG WITH THE SERVICEABLE REPAIR SPLICES IAW CRJ900 SRM 53-11-43-201-003-A01. REPAIR TYPE 4

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