As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST AIRSPEED INDICATOR DURING DESCENT IN EXCESSIVE/SEVERE ICING. ALSO RECEIVING A PITOT/VANE HEAT FAILURE ANNUNCIATOR LIGHT. PERFORMED VISUAL INSPECTION OF PILOTS/COPILOT'S PITOT/STATIC PROBES. PERFORMED TEST OF PILOT/COPILOT PITOT PROBE AND STATIC PLATE HEAT. PERFORMED OPERATIONAL TEST OF #1/#2 ADC. PERFORMED LEAK TESTING OF PILOTS/COPILOT'S PITOT SYSTEM AND FOUND LEAK RATE WITHIN LIMITS. PERFORMED DRAINING OF PITOT/STATIC LINES FROM AIRCRAFT KEEL. ALL TESTING PERFORMED WITH NO DISCREPANCIES NOTED IAW AMM 34-10-05 AND 34-11-19.