Service difficulty report · Warning System · Boeing 737890

Difficulty date
October 12, 2009
Submitted
October 14, 2009
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
2,585 hours, 764 cycles
Part
Warning System
Condition
Malfunctioned
Location
Cockpit
Stage of operation
DE
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

AT TOP OF DESCENT RECEIVED SINGLE FMC OPS IN BOTH SCRATCHPADS ACCOMPLISHED QRH PROCEDURE. FMC BOTH ON CPT. GROUNDED YES. ACCOMPLISHED FIM TASK 34 61 00 810 807 FMC HARDWARE/SOFTWARE FAULTS INITIAL EVALUATION. ALSO PERFORMED FMC SYSTEM OPERATIONAL TEST REF MM34 61 00 710 801. OPS NORMAL.