Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
February 14, 2015
Submitted
February 17, 2015
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
8,834 hours, 2,839 cycles
Part
Fmc
Condition
Malfunctioned
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, RIGHT FMC FAILED, VTK FOLLOWED BY MAP DATA LOSS ON F/O PFD. FMC RESET ITSELF WITHOUT PILOT INTERVENTION. ACFT GROUNDED. BOTH FMC TESTED IAW MM 34-61-00 AND BOTH OPS CK GOOD. NO HISTORY 30 DAYS.