As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BODY DUCT LEAK EICAS MESSAGE AND DUCT LEAK DISCREET LIGHT ILLUMINATED ON TAXI IN - CABIN FILLED AIR COND SMOKE. FOUND APU AIR SUPPLY DUCT BROKEN. REMOVED AND REPLACED APU AIR SUPPLY DUCT BETWEEN STA 1064 AND 1088. ALSO REPLACED INSULATION BLANKET AT AFT CARGO LEFT SIDE BETWEEN STA 1098 AND STA 1120. RAN APU, BOTH AIR CONDITIONING PACKS, NO LEAKS NOTED.