SDR ASAA2013120896683

Service difficulty report · Fmc · Boeing 737890

Difficulty date: December 8, 2013
Submitted: December 10, 2013
Operation: Air carrier
Aircraft: N570AS
Make and model: Boeing 737890
Aircraft serial: 35185
Aircraft time: 25,817 hours, 7,706 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Part number: 1762000101
Part serial: 002783
Condition: Malfunctioned
Location: Ee Bay
Part time: 25,811 hours, 7,705 cycles
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

DURING CRUISE FLIGHT, SINGLE FMC OPERATION ANNUNCIATED ON SCRATCH PAD, FOLLOWED BY AMBER MAP FLAG ON F/O NAV DISPLAY. QRH FOLLOWED. NORMAL OPERATIONS RESTORED. ACFT GROUNDED. PERFORMED BITE TASK 34-61, TASK 801, TEST OK. AS PRECAUTIONARY R & R RT FMC. CROSS LOAD PROCEDURE 34-61-00-470-806, OK. FMC SOFTWARE CONFIG CHK 34-61-00-750-801 OK. REMOVED RT FMC IAW AMM 34-61-02-000-801. INSTALLED IAW AMM 34-61-02-400-801.