What was found
RIGHT ELEVATOR PITOT MASTER CAUTION AFTER NR 2 ENGINE START. GROUNDED - YES. FOUND CIRCUIT BREAKER RT ELEVATOR PITOT HEAT TRIPPED. PERFORMED C/B RESET IAW AMM 20-60-01. NO HELP. CB TRIPS WHEN SWITCHED ON. REMOVED AND REPLACED THE RT ELEVATOR FEEL SYS PITOT PROBE IAW AMM 27-31-94, CLOSED P18-3 D4, C/B HEATER ELEVATOR PITOT RIGHT. OPS CKS GOOD, ALL TESTS PASSED. LEAK CHECKED GOOD. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.