SDR ASAA2018101526465

Service difficulty report · Fmc · Boeing 737890

Difficulty date: October 12, 2018
Submitted: October 15, 2018
Operation: Air carrier
Aircraft: N558AS
Make and model: Boeing 737890
Aircraft serial: 35177
Aircraft time: 46,754 hours, 13,788 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: E&E Bay
Stage of operation: CR
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

FMC R FAILED IN FLIGHT, RAN QRH, BOTH ON FMC L FOR REMAINDER OF FLIGHT. GROUNDED - YES. CYCLED FMC POWER & NORMAL OPS RESTORED. R FMC LOGGED GLITCH TIMER INTERMITTENT FAULT WITH SEVERAL ASSOCIATED DATA BASE MISMATCH FAULTS. VERIFIED CORRECT DATABASES LOADED IN L&R FMC. OP CK NORMAL. REF AMM 34-61-00-710-801. FIM 34-61 TASKS 801, 836 & 837.