As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRSPEED UNRELIABLE. CA SIDE APPEARED TO BE ACCURATE. F.O. SIDE WAS APPROX 20 KTS OFF. F.O. SIDE WAS ALSO 400 OFF ALTITUDE. BOTH EEC WENT TO ALTERNATE.<[01] FOUND R/H PITOT DRAIN HOSE BROKEN; R&R DRAIN HOSE REF AMM 34-11-00 PERFORMED LEAK TEST AMM 34-11-00-790-811 PASS NO FAULTS NOTED AT THIS TIME