As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TO, F/O AIRSPEED INDICATOR BECAME UNREADABLE AND ROSE STEADILY TO 400 KTS. NO FLAGS OR OTHER INDICATIONS, OTHER THAN OVERSPEED WARNING. ACTUAL AIRSPEED ON CAPTS IND NORMAL. FOUND QUICK DISCONNECT DAMAGED ON PITOT PRESS ON RT ADC. REPLACED SAME. LEAK CHECKED PITOT/STATIC SYSTEM CHECKED GOOD. PERFORMED MCDP TEST 30 TEST PASSED. ADC LEFT AND RIGHT BITE CHECKED GOOD.