# SDR VNAA202608010013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2026
- Submitted: August 1, 2026
- Operation: Air carrier
- Aircraft: [N644NN](https://openairdocs.org/aircraft/N644NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15437
- Aircraft time: 15,145 hours, 15,678 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: CC67034094JP1SCC
- 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/VNAA202608010013

## Discrepancy

AFTER REMOVAL OF FLOOR PANEL SUPPORT ANGLE CORROSION OM FLOOR BEAM AT FUSELAGE STA 280 BTW LBL 12 AND RBL 12.    FLOOR BEAMS AT FUSELAGE STA 280 LH SIDE AND RH SIDE WERE EVALUATED FOUND OUT OF LIMITS PER  CRJ-900 SRM 53-21-43-101-001-A03 AND WERE REPLACED PER CRJ-900 SRM 51-42-10-001-001-A01, SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01

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