# SDR VNAA202504020026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2025
- Submitted: April 2, 2025
- Operation: Air carrier
- Aircraft: [N592NN](https://openairdocs.org/aircraft/N592NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15404
- Aircraft time: 19,719 hours, 17,576 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: CC670340941S
- 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/VNAA202504020026

## Discrepancy

CORROSION ON LH CROSSBEAM FS 280 AT COCKPIT CABIN FLOOR.   CROSSBEAM LH FS 280 AT COCKPIT CABIN FLOOR WAS EVALUATED DUE EXCESSIVE DAMAGE PER CRJ-900 SRM 53-00-01-101-001-A01 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01, AND SRM 51-42-13-001-001-A01.

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