As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MSG RT STRUT DUCT LEAK. RT PACK OFF RT ENG BLEED OFF FIM 26-18-00 PAGE 107 BLOCK 8, 28 & 65 INDICATED DUCT LEAK & WW FIRE CARD M691 FAULTY. REPLACED CARD M691 IAW AMM 26-10-01. TEST IS OK & AFTER RUN UP NO MSG APPEARED. OK TO SERVICE.