Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
January 15, 2020
Submitted
January 18, 2020
Operation
Air carrier
Aircraft
N479AS
Make and model
Boeing 737990ER
Aircraft serial
60576
Aircraft time
18,242 hours, 5,832 cycles
Part
Unknown
Condition
Malfunctioned
Location
Fmc
Stage of operation
CR
How discovered
O
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

RIGHT FMC FAILED BRIEFLY IN CRUISE FLIGHT AT FL3620. RESET ITSELF AFTER A MOMENT OR TWO. NORMAL OPS AFTER. GROUNDED - YES. PERFORMED FIM 34-61 TASK 836 UPON A/C POWER UP. INITIAL EVALUATION GOOD. INTERMITTENT DISCREP. NO HISTORY LAST 90 DAYS.