# SDR SIMA20261002001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2026
- Submitted: October 5, 2026
- Operation: Air carrier
- Aircraft: [N302RN](https://openairdocs.org/aircraft/N302RN), 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: 17000849
- Aircraft time: 15,803 hours, 10,801 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Modem Manager
- Condition: Failed
- Location: Zone 200
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20261002001

## Discrepancy

FOUND MODEM MANAGER TO BE INOP WITH STRONG ELECTRICAL BURNING ODOR. WIFI INOP. ATTEMPTED RESET. IMMEDIATELY SMELLED FUMES (ODOR SMELLED SIMILAR TO ELECTRICAL FIRE). ODOR OBSERVED IN COCKPIT AND FA2 SMELLED ODOR IN MAIN CABIN. ODOR WAS STRONGER AROUND ROWS 12-13. TURNED WIFI OFF. ODOR SUBSIDED WHEN INTERNET POWER WAS TURNED OFF. NO VISIBLE SMOKE OBSERVED. PERFORMED T/S IAW FIM TASK 21-20-00-810-801-A. FOUND NO ABNORMALITIES / ODOR ON CABIN LIGHTS SYSTEM, GALLEY, LAVATORIES, WINDSHIELD HEAT SYSTEM, COCKPIT LIGHTS. UPON REPLICATING THE DISCREPANCY, FOUND MODMAN TO BE INOP WITH STRONG ELECTRICAL BURNING ODOR. DEFERRED THE WIFI SYSTEM PER MEL 44-16 REF AML PAGE 105002267.

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