Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
June 13, 2022
Submitted
June 14, 2022
Operation
Air carrier
Aircraft
N474AS
Make and model
Boeing 737990ER
Aircraft serial
40715
Aircraft time
26,002 hours, 8,169 cycles
Part
Fmc
Part number
UNKNOWN
Condition
Failed
Location
Unknown
Stage of operation
TX
How discovered
V
Nature of condition
J
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 FAIL AFTER LANDING- VTK DISPLAYED LEFT MFD. SYSTEM SELF RECOVERED. GROUNDED - YES. FMC-L FAULT REVIEW CONFIRMS FMC-L PROGRAM FAULT ON GROUND LAST LEG. ACCOMPLISHED FMCS OPERATIONAL TEST PER B737-900 AMM 34-61-00 W/ NO DEFECTS INDICATED. ETOPS VERIFICATION SUCCESSFUL.