What was found
ATB - FWD EQUIP OVHT EICAS MSG. WENT TO STBY IAW QRH, DID NOT CLEAR. WENT TO OVRD IAW QRH, EICAS MSG CLEARED. DID NOT ENTER ETOPS(<P>FOUND EQPT COOL SUPPLY AIR INLET GRILL DIRTY AND PARTIALLY BLOCKED. CLEANED PER AMM 21-58-10. FOUND SUPPLY FAN SCREEN EQUIPMENT COOLING DIRTY AND PARTIALLY BLOCKED. CLEANED PER AMM 21-58-22. PERFORMED GVI OF EQUIPMENT COOLING SUPPLY AND EXHAUST FAN ASSOCIATED WIRING, CLAMPS AND CONNECTORS PER SWPM 20-10-06. NO DISCREPANCIES FOUND AND OK FOR SERVICE AT THIS TIME. VERIFIED BOTH EQUIP COOLING SUPPLY AND EXHAUST FANS CLEAN AND SKIP FREELY. OPS CHECKED EQUIPMENT COOLING SYSTEM IAW AMM 21-58-00, OPS CHECKED NORMAL, NO ASSOCIATED MESSAGES. OK FOR SERVICE AT THIS TIME. </P>)