SDR SWAA2018040921006

Service difficulty report · Electronic Unit · Boeing 7377H4

Difficulty date: April 3, 2018
Submitted: April 9, 2018
Operation: Air carrier
Aircraft: N215WN
Make and model: Boeing 7377H4
Aircraft serial: 32487
Aircraft time: 45,899 hours, 26,689 cycles
System (JASC): 3160 · Central Display
Part: Electronic Unit
Part number: 4081600930
Condition: Faulty
Location: Displays
Stage of operation: CR
How discovered: O
Nature of condition: G
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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 1 DISPLAY ELECTRONIC UNIT IAW AMM.

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