Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
August 18, 2021
Submitted
August 24, 2021
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
27,712 hours, 8,857 cycles
Part
Fmc
Condition
Failed
Location
Right
Stage of operation
CR
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

RIGHT FMC FAILED DURING FLT WITH VTK AND MAP FLAGS ON FO ND. RESTORED PRIOR TO FINISHING QRH. GROUNDED - YES. RIGHT FMC OPS NRML, B737-900 AMM REF 34-60-00, B737-900 FIM 34-61 TASK 801, NO HISTORY, OK FOR SVC.