What was found
NR 2 ENGINE FAILED TO START. FIRST ATTEMPT BEGAN NORMALLY, PROCEEDED TO START ENGINE 1 & NOTICED NR 2 ENGINE EGT WHITE BOX STARTED FLASHING WITH DIGITAL EGT SHOWING 225 WITH N2 INDICATION DROPPING TO 39 PERCENT. ACCOMPLISHED THE ABORTED ENGINE START QRC\QRH AND ATTEMPTED TO START THE NR 2 ENGINE AGAIN. NR 2 ATTEMPT STARTED OFF NORMALLY AT 25 PERCENT N2, BROUGHT START LEVER UP & THEN N2 STARTED AT AROUND 39 PERCENT. ACCOMPLISHED ABORTED ENGINE START QRC/QRH. ACFT GROUNDED. PERFORMED EEC BITE TEST, REF FIM 73-00, TASK 801. EEC TEST PASSED. NO EEC TEST FAULTS. PERFORMED ACTUATOR TEST TASK 71-00-00-700-807-F00. ACTUATOR TEST PASSED. NO ACTUATOR TEST FAULTS, IAW MAINT CONTNTROLL HMU REQUIRES CHANGED. REMOVED HMU IAW T/C N8473000. INSTALLED SERVICEABLE NR 2 ENGINE HMU IAW T/C N8473001. LEAK & OPS CK GOOD.