What was found
AIRSPEED MISMATCH BTWEEN CAPT, FO AND ISIS AT 35000. INSPECTED AND DRAINED WATER FROM PITOT 1 AND 2 DRAIN LINES. PERFORMED OPERATIONAL CHECK OF ADC AND PITOT/STATIC HEATING SYSTEM. ADC AND PITOT/STATIC HEATING CHECKS WERE SATISFACTORY. REMOVED AND REPLACED ADC #1. OPS CHECK FAILED. FOUND PITOT AND STATIC HOSE CONNECTING TO ADC 1 PLUS STATIC HOSE CONNECTING TO ADC 2 CRACKING AND DAMAGED. PITOT SYSTEM 1 UNSAT, PITOT SYSTEM 2 SAT. FOUND FITTING FOR #1 STATIC HOSE LOOSE AT ANEMOTRIC STATIC PORT #1, RESECURED FITTING. PERFORMED PITOT SYSTEM 1 AND 2 LEAK CHECK. BOTH 1 AND 2 SAT.