As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) R' BLEED DUCT LEAK''EICAS MSG',QRH COMPLETED. LIGHT DUCT LEAK STAYED ON FOR 90 MINUTES, WENT OUT FOR 30 MINUTES, THEN CAME ON AGAIN. NOTICED THAT RT BLEED PRESSURE STAYED AT 5 PSI, NOT ZERO. VISUAL INSPECTION OF PNEUMATIC DUCTS, CLAMPS AND OVERHEAT DETECTION LOOP CARRIED OUT FROM MLG WW TO NR 2 ENG PYLON- NIL FAULTS FOUND. REPLACED DUCT 1 / MLG WW FIRE DETECTION CARD M691- ENGS GROUND RUN. ALL INDICATION AND OPS NORMAL.