# SDR SIMA20251203001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2025
- Submitted: December 8, 2025
- Operation: Air carrier
- Aircraft: [N781EJ](https://openairdocs.org/aircraft/N781EJ), registered now
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000148
- Aircraft time: 39,558 hours, 26,900 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 17086044001
- 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/SIMA20251203001

## Discrepancy

SSI 53-23-005 RIGHT FLOOR CROSSBEAM BETWEEN WALL AND CENTER SEAT TRACK BEAM AT FRAME 84 IS CORRODED. (MAJOR REPAIR) (LEVEL 2 CORROSION) REPAIRED CROSSBEAM IAW ERS EJ-53MR-5301.

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