Service difficulty report · Fmc · Boeing 737890

Difficulty date
August 11, 2009
Submitted
August 13, 2009
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
7,997 hours, 2,396 cycles
Part
Fmc
Part number
1762000101
Part serial
003128
Condition
Malfunctioned
Location
E&E Bay
Part time
7,997 hours, 2,396 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT FMC FAILED AT CRUISE. APPLIED LEFT FMC FAIL CHECKLIST. UNABLE TO RESTORE DUAL OPERATIONS. KNOWN SOFTWARE FAULT. PULLED NR 1 FMCS CMPTR & MCDU C/B'S FOR 30 SECS & RESET. OPS CHECK NR 1 FMCS GOOD. REF MM 34 61 02/101. MCF INFORMED.