As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT CAPT PITOT HEAT ON EICAS , A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C MTX REMOVED AMD REPLACED CAPT SIDE UPPER PITOT PROBE IAW AMM 34-11-01. EXECUTED PITOT, LOW RANGE, AND HIGH RANGE LEAK CHECK IAW B767 AMM 34-11-00. LEAK CHECK PASS. A/C REMAINS RVSM AND A/C REMAINS ETOPS 180. MTX RETURNED A/C TO SERVICE .