SDR ASAA2019103081171

Service difficulty report · Fmc · Boeing 737890

Difficulty date: October 28, 2019
Submitted: October 30, 2019
Operation: Air carrier
Aircraft: N534AS
Make and model: Boeing 737890
Aircraft serial: 35202
Aircraft time: 34,763 hours, 10,027 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Failed
Location: Left
Stage of operation: CL
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

LEFT FMC FAILED IN CLIMB. REPROGRAMMED, CAME BACK ON AND WORKED REMAINDER OF FLIGHT. GROUNDED - YES. LEFT FMC SHOWED PGM FAULT IN HISTORY; NO CURRENT FAULTS. ACCOMPLISHED B737-800 FIM 34-61 TASK 807 BY RESETTING 1 C/B. LEFT FMC BITE GOOD, NO FAULTS.