As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU "ALTN CONT" AND ENG START/ECS DISCRETES CB'S POPPED IN FLT. NO EICAS OR STATUS MSG. RESET C/B'S, PERFORMED APU BITE CK IAW FIM 49-11 F/T 958. NO FAULTS FOUND. PERFORMED 2 APU GROUND STARTS AND APU STARTS NORMAL. ACCOMPLISHED 2 ENG GROUND DRY MOTORS, IAW B767 AMM 71-00-00. APU AIR AND START VALVES OPS CK GOOD. NO DEFECTS NOTED.