# SDR VNAA20260329018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2026
- Submitted: March 29, 2026
- Operation: Air carrier
- Aircraft: [N643NN](https://openairdocs.org/aircraft/N643NN), registered now
- Make and model: Bombdr CL6002D15
- Aircraft serial: 15436
- Aircraft time: 14,966 hours, 15,357 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crossbeam
- Part number: SH67032128
- 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/VNAA20260329018

## Discrepancy

CORROSION WAS FOUND ON CROSSBEAM WEB FS 349.0 BTW STGR17 LH TO STGR18 LH AT PASSENGER CABIN.   CROSSBEAM WEB FS 349.0 BTW STGR17 LH TO STGR18 LH AT PASSENGER CABIN WAS REPAIRED PER REO 690-53-21-2094 REV -.

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