SDR ASAA2020121133679

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: December 11, 2020
Submitted: December 15, 2020
Operation: Air carrier
Aircraft: N402AS
Make and model: Boeing 737990ER
Aircraft serial: 41189
Aircraft time: 30,155 hours, 9,757 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Failed
Location: Captain'S
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

AFTER LANDING CAPT FMC FAILED. RESETS AND FAILS CONTINOUS LOOP. GROUNDED-YES. PERFORMED FMC RESET PROCEEDURE, REF B737-900 FIM 34-61 TASK 836. PERFORMED FMC BITE PROCEDURE, REF B737-900 FIM 34-61 TASK 801. NO FAULTS NOTED. OK FOR SERVICE.