# SDR SIMA20260314003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N261NN](https://openairdocs.org/aircraft/N261NN), 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: 17000700
- Aircraft time: 21,703 hours, 14,599 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 17060287002
- 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/SIMA20260314003

## Discrepancy

RIGHT FLOORBEAM CORRODED, Y+276 AFT OF FRAME FR 90 (MAJOR REPAIR).  BLENDED CORROSION ON RT FLOORBEAM IAW SRM 51-10-03. BLENDED AREA MEASURES (INTERCOSTAL - W =1.3", L = 2.0", H = 010".) ORIGINAL MATERIAL THICKNESS OF .040, (ANGLE - W = .8", L = 2.- 0", H = .005".) ORIGINAL MATERIAL THICKNESS OF .040. INTERCOSTAL AND ANGLE FOUND OUT OF ALLOWABLE LIMITS IAW SRM 51-75-16.  LOCATED, DRILLED & DEBURRED PARTS IAW SRM 51-40-02. TREATED ALL HOLES IAW SRM 51-23-04, & PRIMED ALL HOLES IAW ETN-EJ-51-025.  RESTORED FINISH TO FASTENERS  IAW SRM 51-23-06, ETN-EJ-51-015. APPLIED CIC IAW CPM 51-25-00. REMOVED AND REPLACED RT FLOORBEAM AND ANGLE SUPPORT IAW SRM 51-40-08.

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