SDR ASAA2019102863112

Service difficulty report · Fmc · Boeing 737890

Difficulty date: October 26, 2019
Submitted: October 28, 2019
Operation: Air carrier
Aircraft: N533AS
Make and model: Boeing 737890
Aircraft serial: 35201
Aircraft time: 34,544 hours, 10,043 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Failed
Location: Right
Stage of operation: DE
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

RIGHT FMC FAILED AT T.O.D. RAN QRH AND COULD NOT RESTORE. GROUNDED - YES. PERFORMED FMC SYSTEM BITE PROCEDURE REF B737-800 FIM 34-61 TASK 801 FOUND (FMC DATA INVALID FAULT) ON LEG 1. RESET FMC 1 & 2 CMPTR C/B'S REF FIM 34-61 TASK 807. INTERMITTENT FAULT. FMC GROUND VERIFICATION SUCCESFUL.