What was found
INSPECTION TYPE: N/A DIVERSION, NO EMERGENCY DECLARED. A/C DIVERTED INTO ALA FOR: HF DATA R, SATCOM VOICE, HF DATA L, SATCOM DATA, DATALINK SYSTEM, DATALINK LOST, CMU. EICAS MESSAGES INTERMITTANT EXCEPT HF DATA L/R RESET CB'S OF 'CMU AC' PERFORMED ALL DATA LINK COMM TEST HF-L, HF-R, SATCOM, IAW AMM 23-27-00-501 TASK 730-801 (CMU SYS TEST) SATIS.