As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EQUIPMENT COOLING EICAS MESSAGE APPEARED ON CLIMB OUT. WENT AWAY IN OVERRIDE POSITION BUT RETURNED IN BOTH STANDBY AND NORMAL MODES DURING CRUISE. (INSPECTION OF MAIN DECK DISTRIBUTION DUCTS CARRIED OUT. FOUND MAIN DUCT CLAMPS LOOSE AND SEPARATED BETWEEN STA 800 AND STA 1250. RESECURED ALL CLAMPS AND DUCTS IAW AMM 21-23-02. ACCOMPLISHED EQUIPMENT COOLING GROUND TEST IAW AMM 21-58-00 AND TEST PASSED. )