What was found
"SAT" DOES NOT DISPLAY AS AN OPTION ON FIRST OFFICER'S MCDU BOTH SAT PHONES OPERATE NORMALLY WHEN SELECTED FROM CAPTAINS MCDU. GROUNDED - YES. RELEASED PER MEL 23-18, SAT COM IND INOP. REPLACED CHEWED WIRE W2873-9001-22 FROM F/O'S MCDU TO E3-2 SHELF IAW SWPM 20-61-00 STEP 3A, B + 4A, B AND WDM 23-15-11 PG 906, CONTINUITY CHECKS GOOD. OPS CHECK ON SAT-COM SYSTEM CHECKS GOOD IAW AMM 23-15-00-730-801 STEP 1A,D. MEL 23-18 REMOVED.