Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
July 13, 2022
Submitted
July 14, 2022
Operation
Air carrier
Aircraft
N413AS
Make and model
Boeing 737990ER
Aircraft serial
35205
Aircraft time
34,749 hours, 10,998 cycles
Part
Fmc
Part number
UNKNOWN
Condition
Intermittent
Location
Unknown
Stage of operation
TX
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

FMC DISAGREE ON GROUND MULTIPLE TIMES. CLEARED EACH TIME ON ITS OWN. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 835 AND FMC DISAGREE MSG. REMAINED EXTINGUISHED.