# SDR SIMA20260303005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N259NN](https://openairdocs.org/aircraft/N259NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000682
- Aircraft time: 22,019 hours, 14,766 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 17065669004
- 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/SIMA20260303005

## Discrepancy

CORROSION FOUND RH BEAM AT FR 88-89, Y= +10.75 (MAJOR REPAIR) (LEVEL 2 CORROSION) BLENDED AREA ON RH AFT FLOOR BEAM AT FR 88-89, Y= +10.75" PER EMB 175 SRM 51-10-03. BLENDED AREA MEASURES (L: 1.60" W: .60? D: .040".) AND IS FOUND TO BE OUT OF ALLOWABLE LIMITS PER EMB 175 SRM 53-23-10/AD02. LOCATED, DRILLED, AND TREATED HOLES IN NEW RH AFT FLOOR BEAM (PN:170-65669-004) AT FR 88-89 PER EMB-175 SRM 51-40-02. PER EMB-175 SRM 51-23-04. RESTORED FINISH TO FASTENERS AND APPLIED CIC PER EMB 175 SRM 51-23-06, ETN-EJ-51-015, AND CPM 51-27-00-910-001-A. REMOVED AND REPLACED RH BEAM (PN:170-65669-004) AT FR 88-89 PER EMB-175 SRM 51-40-08. LEVEL 2 CORROSION

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