What was found
AFTER BOTH ENGINES STARTED EICAS FWD EQPT VAL ACCOMPLISHED QRH AND RETURNED TO GATE(<P>TRANSFERED TO MDDR 109287 IAW ATLAS MEL 21-58-07-02-01 CAT C EXPIRES 05APR19 M PROCEDURES #2 APPLIED. </P><P>LP 880552 - M1: R&R FWD EQPT COOLING DUCT ASSY IAW AMM 21-58-02. T/S EQUIPT COOLING VALVE LIGHT AND EICAS MSG, NO FIX. FURTHER TROUBLESHOOTING REQUIRED FWD EQUIPT VALVE DEACTIVATED AND CONFIRMED CLOSED IAW DDG 21-58-07-02-01. DMI REMAINS OPEN AT THIS TIME. </P><P>LP 880557 - M2: REPLACED K1206 REPLAY IAW WDM 21-58-11, OPS CHECK GOOD ON THE GROUND DMI 109287 REMAINS OPEN TO CONTINUE TROUBLESHOOTING. </P><P>LP 880562 - M1: PERFORMED TS OF FWD EQUIP VALVE IAW FIM 21-58 TASK 805. NO FAULTS FOUND, PER ATLAS REQUEST REMOVE AND REPLACE OVERRIDE VALVE IAW AMM 21-58-20. OPS CHECK GOOD, NO DEFECTS NOTED AT THIS TIME. THIS CLEARS DMI 109287. MCC NOTIFIED AND PLACARD REMOVED</P>)