What was found
ATTEMPTED 3 ENGINE STARTS FIRST 2 L IGNITION 3RD ATTEMPT W/ IGNITION IN BOTH ENGINE #1 FAILED TO START, ADDED ENG #1 EEC BITE FAULT IMAGES. PERFORMED IGNITER AUDIBLE TEST ON ENG 1 REF AMM 74-00-00-750, TEST PASSED ON BOTH IGNITERS CHANNEL A & B SPAR VALVE OPENS AND CLOSES NORMAL ON INDICATOR, SUSPECT HMU, DISCREPANCY HAS HISTORY. REMOVED AND REPLACED RIGHT EXCITER REF AMM 74-11-01PARTS USED: 1772090,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1772090 SN OFF 3791 EXCITER, IGNITI OFF 99-8027-9-9003 3791 ON 99-8027-9-9003 7605 REMOVED AND REPLACED LEFT EXCITER REF AMM 74-11-01 PARTS USED: 99-8027-9-9003,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1514688 SN OFF 0481 IPC REFERENCE # 74-11-01 REPLACED BOTH IGNITER PLUGS ON #1 ENGINE REF AMM 74-21-02. ACCOMPLISHED IGNITION SYS AUDIBLE TEST REF 74-00-00. RAN #1 ENGINE FIVE TIMES ON BOTH LEFT AND RIGHT IGNITION SYSTEM REF AMM 71-00-00. ALL PARAMETERS NORMAL, NO FAULTS NOTED.PARTS USED: 29-7400-3-0020,QTY :1 UPDATE TO REMOVE SDR UPDATED FOR SDR INFO REMOVAL AND REPLACEMENT OF IGNITOR PLUGS IS NOT A MAJOR REPAIR/RII SEE GMM 09-25-05.PARTS USED: 29-7400-3-0001,QTY :1