What was found
DIVERTED TO IAD, CLIMBING THRU 16,000', GOT APPROX 25 KT DIFFERENCE IN AIR SPEED IND. SECONDARY GEAR IND INOP. ENG N-1 MODE FAULT. BLOWING OUT NR 2 SYS, REMOVED AND REPLACED ADC NR 2 PER MM 34-11-34-4. REMOVED AND REPLACED PROX BOX PER MM 32-31-71-4. ACN RELEASED FOR SERVICE PER MEL/CDL: 73-23-01-05-1.