As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE WOULD NOT START WITH LEFT IGNITION. SUCESSFUL START WITH RIGHT IGNITION. ACFT GROUNDED. REPLACED THE NR 2 ENGINE LEFT EXCITER BOX IAW AMM 74-11-01. COMPLETED IGNITION SYSTEM TEST TASK 74-00-00. OPS CHECKED GOOD. REPLACED THE LEFT MAIN IGNITER ON NR 2 ENGINE IAW AMM 74-21-02. OPS CHECKED NORMAL.