As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OFF LT IN GEN CONT SWITCH. ATTEMPTED ONE RESET. GEN OFF LIGHT RE-ILLUMINATED. DURING CLIMBOUT APU LIGHT, ATTEMPTED ONE RESTART APU RPM 103 PERCENT AND APU FAULT THE SECOND TIME. T/S PER FIM. PERFORMED BITE ON ECU AND FOUND OVERSPEED ON APU NOT OPERATING. MINI FLAG SHOWED P2 SENSOR. REMOVED AND REPLACED P2 SENSOR PER AMM. RAN APU, ALL CHECKS NORMAL.