# SDR VNAA20260304017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2026
- Submitted: March 4, 2026
- Operation: Air carrier
- Aircraft: [N604NN](https://openairdocs.org/aircraft/N604NN), registered now
- Make and model: Bombdr CL6002D15
- Aircraft serial: 15465
- Aircraft time: 15,083 hours, 13,102 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: CC670340942
- 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/VNAA20260304017

## Discrepancy

AFTER REMOVING FLOOR PANEL, CORROSION WAS FOUND ON THE FLOORBEAM BS 280.  THE RT FLOORBEAM WAS REPAIRED IAW REO 690-53-11-2134, REV-.

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