As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF, LGCIU 2 FAULT INDICATION WAS SHOWN. ATB PROCUEDURE TO BOGOTA STATION DUE TO BY MEL MANUAL, BOTH REVERSIBLES SHOULD BE OPERATIVE TO APROACH IN SANTA MARTA STATION// AS PER TSM 32-31-00-810-819-A FAULT INSOLATION LGCIU 2 WAS REMOVED AND REPLACED TEST SATISFACTORY. SOFTWARE CONFIGURATION THE LGCIU1 WAS REPLACED TEST SATISFACGTORY.