What was found
(CAN) DURING OPERATION OF #2 HYDRAULIC STANDBY POWER UNIT FOR MAINTENANCE TASK, THE SPU BEGAN BILLOWING SMOKE AND SPARKS. IT WAS IMMEDIATELY SHUT DOWN, 2 EXTERNAL POWER FUSES (30 AMP) WERE FOUND BLOWN. FUSES AND SPU REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING OPERATION OF #2 HYDRAULIC STANDBY POWER UNIT FOR MAINTENANCE TASK, THE SPU BEGAN BILLOWING SMOKE AND SPARKS. IT WAS IMMEDIATELY SHUT DOWN, 2 EXTERNAL POWER FUSES (30 AMP) WERE FOUND BLOWN. FUSES AND SPU REPLACED.