# SDR SWAA2018040921008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2018
- Submitted: April 9, 2018
- Operation: Air carrier
- Aircraft: [N215WN](https://openairdocs.org/aircraft/N215WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32487
- Aircraft time: 45,899 hours, 26,689 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Electronic Unit
- Part number: 4081600940
- Condition: Faulty
- Location: Displays
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2018040921008

## Discrepancy

AIR TURNBACK AND DECLARED EMERGENCY, DUE TO ALL FIVE UPPER DISPLAY UNITS WENT BLANK, FIRST OFFICER FLIGHT MANAGEMENT COMPUTER BLANKED, WEATHER RADAR TURNED OFF. ALL CAME BACK, THEN SYMPTOMS REAPPEARED.  R & R THE NR 2 DISPLAY ELECTRONIC UNIT IAW AMM.

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