SDR ASAA2017111322562

Service difficulty report · Display · Boeing 737990ER

Difficulty date: November 13, 2017
Submitted: November 15, 2017
Operation: Air carrier
Aircraft: N467AS
Make and model: Boeing 737990ER
Aircraft serial: 36362
Aircraft time: 13,823 hours, 4,616 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Display
Condition: Malfunctioned
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

FIRST OFFICER`S CDU WENT BLANK FOR 15 SECONDS. NO ERROR MESSAGES. THEN BITE TEST ILLUMINATED, ALL MESSAGE LIGHTS ILLUMINATED AND SYSTEM WAS RESTORED AND FUNCTIONED NORMALLY. ACFT GROUNDED. LT FFR SHOWS CDU FAULT FOR 2 LEGS WITH NO OTHER OCCURRENCES. CDU OPS NORMAL IAW AMM 34-61-01, GROUND VERIFICATION PASSED.