SDR ASAA2020010631787

Service difficulty report · Unknown · Boeing 737990ER

Difficulty date: January 3, 2020
Submitted: January 7, 2020
Operation: Air carrier
Aircraft: N483AS
Make and model: Boeing 737990ER
Aircraft serial: 36350
Aircraft time: 17,618 hours, 5,669 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Malfunctioned
Location: Cockpit
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CAPT FMC FAILED MOMENTARILY, GOT VTK DISPLAYED ON ND. RETURNED TO NORMAL IN ABOUT ONE MINUTE. WE NEVER TOOK ACTION, IT CAME BACK TO NORMAL ON IT'S OWN. GROUNDED - YES. SYSTEM HAS RESET, MOMENTARY FAULT, GROUND FUNCTIONAL TEST FOR THIS ETOPS SYSTEM IS GOOD IAW B737-900 AMM 34-61-00-730-801.