SDR ASAA2013100696124

Service difficulty report · Computer · Boeing 737890

Difficulty date: October 6, 2013
Submitted: October 8, 2013
Operation: Air carrier
Aircraft: N534AS
Make and model: Boeing 737890
Aircraft serial: 35202
Aircraft time: 11,032 hours, 3,284 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Computer
Condition: Malfunctioned
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

DEPARTING ON LOUPE DEPARTURE, ON REACHING TURN POINT ALL NAVIGATION STEERING DROPPED OUT. CONTINUED DEPARTURE MANUALLY AND F/O ATTEMPTED TO RELOAD LOUPE DEPARTURE. BOTH MCDU BLANKED AND THEN RECEIVED A VTK FLAG. 10 SECONDS LATER ALL NORMAL DISPLAYS RETURNED. NO FURTHER DISCREPANCIES REST OF FLIGHT. ACFT GROUNDED. LT & RT FMC LOGGED PGM FAULT. RESET L & R FMC POWER. OPS CHECKED NORMAL. REF FIM 34-61, TASK 836 & 801 & 837.