SDR ASAA2017062521196

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: June 25, 2017
Submitted: June 27, 2017
Operation: Air carrier
Aircraft: N487AS
Make and model: Boeing 737990ER
Aircraft serial: 44108
Aircraft time: 6,776 hours, 2,231 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: Right
Stage of operation: NR
How discovered: 9
Nature of condition: O
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 INOPERATIVE. RAN QRF, UNABLE TO RESTORE THE LT FMC. NAV SWITCH ON BOTH ON LEFT IAW QRH. NO FMC DATA DISPLAYS FOR RT FMC ON FMC POSITION PAGE. ACFT GROUNDED. REBOOTED FMC CDUS IAW FIM 34-61, TASK 807. NORMAL OPS RESTORED. OPS CHECKED THE RT & LT, FMC OK. NO CURRENT FAULTS.