SDR ASAA2017061721113

Service difficulty report · Fmc · Boeing 737890

Difficulty date: June 17, 2017
Submitted: June 19, 2017
Operation: Air carrier
Aircraft: N536AS
Make and model: Boeing 737890
Aircraft serial: 35203
Aircraft time: 21,203 hours, 6,103 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: Left
Stage of operation: TX
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

DURING TAXI IN, CAPTAIN`S FMC FAILED MULTIPLE TIMES, THEN RECOVERED MULTIPLE TIMES. ACFT GROUNDED. ACCOMPLISHED LEFT FMC BITE IAW FIM 34-61, TASK 801. NO CURRENT FAULTS FOUND. PERFORMED DFCS LRU REPLACEMNT TEST FOR LEFT FMC IAW AMM 22-11-00/501. SYS CHECKED NORMAL. FOUND LEFT FMC FAULT MESSAGE 22-11822. SYS OPS CHECKED NORMAL. NO HISTORY.