What was found
(CAN) APU FAILED TO START, TECHNICIANS FOUND STARTER / GENERATOR BURNED, THE ATTACHED WIRES AND CONNECTORS WERE ALSO FOUND DAMAGED. OPERATOR ADVISED BY THEIR SPARES THAT THE STARTER GENERATOR, P/N 23088-002B SN Y0084 WAS REPAIRED BY THE VENDOR ONCE ALREADY. THE GENERATOR WAS REPLACED YESTERDAY AND FAILED AFTER 2 FLIGHTS. THE APU WAS STARTED WITH BATTERY POWER. DUTY CYCLE WAS OBSERVED. TIME SINCE REPAIR: 1.37 CYCLE SINCE REPAIR: 2.