SDR ASAA2017021919863

Service difficulty report · Unknown · Boeing 737990ER

Difficulty date: February 19, 2017
Submitted: February 21, 2017
Operation: Air carrier
Aircraft: N459AS
Make and model: Boeing 737990ER
Aircraft serial: 36352
Aircraft time: 11,752 hours, 3,894 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Malfunctioned
Location: Cockpit
Stage of operation: TX
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

ON TAXI IN TO GATE, BOTH PFD DISPLAY "NO VSPD" AMBER FAILURE FLAGS. GROUNDED - YES. CYCLED C/B'S FOR FMC 1 & 2 AND PERFORMED BITE CHECK OF FMC SYSTEM IAW FIM 34-61 TASK 801, FAULT MESSAGE CLEARED, AIRCRAFT APPROVED FOR RETURN TO SERVICE.