As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2577, BOS-LAS. (ETOPS) MAINT AC GEN MSG ON ENG SHUTDOWN ( CLASS II MX MSG - GPCU OR AC GEN ); REF L/P 3846145, ITEM 1 (REMOVED & REPLACED #2 ENG REF WO 1321792 AND T/C A320-71-00-51-400-802A); REMOVED AND REPLACED #2 ENG REMOVED AND REPLACED IDG #2 NO FAULTS NOTED AFTER ENG RUNS; MDDR CLEARED MX-4 UPDATED