As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IND - FLT 4188 - BLEED LEAK INDICATED ON EICAS. BAGGAGE SMOKE WARNING CAME ON AFTER THAT. DISCHARGED BOTH FIRE EXTINGUISHERS. FOUND LOOSE BLEED COUPLING IN THE CARGO BAY FOR THE NR 2 BLEED SYSTEM. REMOVED AND REPLACED COUPLING SEALS AND SECURED DUCT. AIRCRAFT RETURNED TO SERVICE. (M)