SDR ASAA2016060216943

Service difficulty report · Display · Boeing 737890

Difficulty date: June 2, 2016
Submitted: June 6, 2016
Operation: Air carrier
Aircraft: N512AS
Make and model: Boeing 737890
Aircraft serial: 39043
Aircraft time: 30,224 hours, 9,182 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Display
Condition: Malfunctioned
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: P
Precautionary procedure: O

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

What was found

CAPT'S MCDU BLANKED MOMENTARILY AT CRUISE. THEN A MAINTENANCE PAGE CAME UP. THEN IT RETURNED TO NORMAL. ACFT GROUNDED. PULLED AND RESET 4 C/BS AND PERFORMED OPS AND INSTALLATION TESTS OF BOTH MCDUS. OPS CHECKS GOOD, REF FIM 34-61, TASK 804.