SDR ASAA2013092096017

Service difficulty report · Fmc · Boeing 737890

Difficulty date: September 20, 2013
Submitted: September 23, 2013
Operation: Air carrier
Aircraft: N559AS
Make and model: Boeing 737890
Aircraft serial: 35178
Aircraft time: 26,217 hours, 7,890 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
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

NO SATCOM BUTTON AVAILABLE ON FMC WHEN MENU IS SELECTED. ACFT GROUNDED. PERFORMED FIM 23-15, TASK 801. FOUND IRIDIUM TRANSCEIVER IS LOCKED UP IAW FIM 23-15, TASK 801 (C4). PERFORMED MANUAL POWER CYCLE, CYCLED CIRCUIT BREAKER P18-2 D14. MCDU SATCOM PROMPT RETURNED. PERFORMED SAT COM OPS CHECKED IAW MM 23-15-00-730-801. OPS CHECKED NORMAL.