What was found
NR 2 EEC FAILED ON TAKEOFF. ABORTED THE TAKEOFF. PERFORMED RIGHT ENGINE RUNS, EEC FAILED ON GROUND. OHMED EEC SYSTEM. FOUND HMU WIPER BAD. REPLACED RIGHT ENGINE HMU IAW EMB120 MM 73-21-00. PERFORMED RIGHT ENGINE RUNS. NO FURTHER DISCREPANCIES ON GROUND. OPS CHECKS GOOD AND NO LEAKS NOTED. P/N ON 786390-4, S/N ON F7586, S/N OFF F19962, S/N OFF 786390-10.