SDR ASAA2016052516851

Service difficulty report · Fmc · Boeing 737890

Difficulty date: May 25, 2016
Submitted: May 27, 2016
Operation: Air carrier
Aircraft: N586AS
Make and model: Boeing 737890
Aircraft serial: 35189
Aircraft time: 33,198 hours, 10,162 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Stage of operation: TX
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

AFTER LANDING BOTH FMCS DUMPED ALL INFORMATION, FMC PROMPT DISAPPEARED FOR A FEW SECONDS AND THEN CAME BACK. ACFT GROUNDED. ACCOMPLISHED LT AND RT FMC BITE, REF FIM 34-61-00-810-801, NO FAULTS FOUND. ACCOMPLISHED LT AND RT FMCS SYS TEST REF AMM 34-61-00. SYS CHECKS NORMAL.