As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - POWER TRANSFER HARSH/ABRUPT WHEN GEN #2 COMES ON/OFFLINE. IE, WHEN ENG 2 IS STARTED AND SHUTS OFF. // INFO NOTED. REMOVED AND REPLACED #2 GCU PER AMM 24-22-34. BITE TEST PASS. RAN #2 ENGINE. NO DEFECTS NOTED. OK FOR SVC.