What was found
(CAN) LEFT BATTERY FAIL & CYAN ELECTRICAL FAULT, ON CB-1 PANEL, CIRCUIT BREAKERS C11 & D10 POPPED ENROUTE ON LEG 3 DESCENT FROM GOOD A/P & Y/D FAIL AHRS 1 FAIL TRANSFER TO AHRS 2, TRANSFERRED CONTROLS TO CO-PILOT. UPON LANDING LOST ALL GENERATORS, LT ENGINE, RT ENGINE, & APU. ESS POWER ONLY.