Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
July 12, 2013
Submitted
July 16, 2013
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
1,151 hours, 354 cycles
Part
Fmc
Condition
Failed
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

RIGHT FMC FAILURE OCCURRED DURING CRUISE. COMPLIED WITH QRC PROCEDURES - UNABLE TO REESTABLISH DUAL FMC OPERATIONS. ACFT GROUNDED. VERIFIED SINGLE FMC OPERATION. PERFORMED FIM 34-61, TASK 807. DUAL FMC OPS RE-ESTABLISHED. TESTS OK. INTERMITTENT FAULT IAW FIM. NO HISTORY.