What was found
ACFT RETURNED OF FLIGHT DUE TO EICAS MESSAGE FRM’S 342 - 440-00, 345 - 030-02, 345 - 050-02 AND 345 - 060-02. MAINTENANCE PERFORMED THE FIM 34-51 TASK’S 801, 802, 805 AND 806 PROCEDURE. VOR/MARKER AND FMC WERE REPLACED IAW AMM 34-51-01 AND AMM 34-61-02, TESTED CORRECT.