What was found
SAT LOG MODEM STATUS LBT-2 SHOW NOT READY SIGNAL 0 PERFORMED TEST CALL TO DISPATCH ON SAT 2, LBT-1 PICKED UP THE CALL LBT-2 ALTERNATES BETWEEN FAIL AND NOT READY. GROUNDED - YES. VERIFIED T/S PREVIOUSLY DONE. SATCOM TRANSCEIVER HAS A AMBER LBT-2 ANN. ON. SHOULD BE GREEN. OPENED CIM MODULE AND FOUND #2 SIM CARD NOT IN LOCKED POSITION. SECURED CARD AND NOW LBT-2 IS GREEN AND SATCOM INFO ON MCDU SHOWS GOOD. PERFORMED SATCOM COMM. SYSTEM TEST REF B737-800 AMM 23-15-00. OPS NML. GROUND VERIFICATION TEST GOOD.