Service difficulty report · Fmc · Boeing 737890

Difficulty date
February 25, 2021
Submitted
March 2, 2021
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
46,406 hours, 13,859 cycles
Part
Fmc
Condition
Failed
Location
Right
Stage of operation
CR
How discovered
9
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

APPROXIMATELY 5 HRS INTO FLT, THE RIGHT FMC FAILED FOR ABOUT ONE MINUTE. FMC CAME BACK ON LINE PRIOR TO QRH PROCEDURE BEING ACCOMPLISHED AND WORKED NORMALLY FOR THE REST OF FLIGHT. GROUNDED - YES. PERFORMED OPS TEST IAW B737-800 AMM 34-61-00-710-801 AND SYS TEST IAW AMM 34-61-00-730-801. BOTH TEST PASS, NO FAULTS FOUND.