SDR ASAA2016021415427

Service difficulty report · Display · Boeing 737990ER

Difficulty date: February 14, 2016
Submitted: February 17, 2016
Operation: Air carrier
Aircraft: N453AS
Make and model: Boeing 737990ER
Aircraft serial: 36354
Aircraft time: 8,363 hours, 2,707 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Display
Condition: Inoperative
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

AT CRUISE FL340, LEFT MCDU WENT BLANK FOR APPROXIMATELY 2-3 SEC THE INITIATED A BITE CHECK AND RETURNED TO NORMAL FUNCTION IN APPROXIMATELY 30 SEC. ACFT GROUNDED. ACCOMPLISHED FMC OPS CK IAW AMM 34-61-00, CHECKS NORMAL, NO OTHER FAULTS FOUND. GROUND VERIFICATION SUCCESSFUL.