As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI RIGHT ENG "BLEED OFF"APPEARED WITH NO DUCT PRESSURE AC RETURNED TO GAT (BTB)AND MTX GROUNDED AC .MTX TROUBLE SHOT AND FOUND COOLING DUCT DAMAGED ON RH ENGINE AND REPLACED SAME IAW B767 AMM 75-00-00 LEAK CHECK GOOD MTX RETURNED AC TO SERVICE