# SDR JJBA20260204002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2026
- Submitted: February 4, 2026
- Operation: Air carrier
- Aircraft: [N11165](https://openairdocs.org/aircraft/N11165), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 14500819
- Aircraft time: 44,070 hours, 30,983 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Switch
- Part number: 4800101
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: P
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JJBA20260204002

## Discrepancy

PFD, MFD 2 WENT BLANK. FMS 1 WENT BLANK. AVIONICS 1 WENT OFFLINE (LIGHT ON). TURNED AVIONICS 1 BACK ON. FMS 1 SINGLE MODE TRIED TO GET FMS 1 BACK ON LINE AND IT DISPLAYED WHAT APPEARED TO BE A TEST PATTERN (COLORS ALPHABET) CA WENT TO REV MODE PFD BUT DATA DISPLAYED WAS STALE (FALSE) COUPED TO FO SIDE SG2 LANDED SAFELY FO SIDE. REMOVED AND REPLACED AVIONICS MASTER SWITCH 1. IPDATED THE FMS NAV DATABASE.

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