Service difficulty report · Fmc · Boeing 737890

Difficulty date
June 2, 2012
Submitted
July 3, 2012
Operation
Air carrier
Aircraft
N538AS
Make and model
Boeing 737890
Aircraft serial
41188
Aircraft time
355 hours, 114 cycles
Engine
Cfmint CFM567B27
Part
Fmc
Condition
Failed
Stage of operation
NR
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

LEFT FMC FAILED W/VTK FLAG ON CAPT SIDE. NORMAL OPS RESTORED 1 MIN LATER WITH NO CREW ACTION. ACFT GROUNDED. ACCOMPLISHED FIM 34-61, TASK 801 NO PERTINENT FAULTS LOGGED IN LEFT FMC. RIGHT FMC BITE SHOWS FMC-L PRES POS LAT RATE INTERMITTENT. ACCOMPLISHED FIM 34-61, TASK 824 WITH NO CURRENT FAULTS NOTED. VERIFICATION FLIGHT SUCCESSFUL.